338405145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 661893120

約数和(自身を除く): 323487975

約数列:

[1, 3, 5, 13, 15, 17, 31, 37, 39, 51, 65, 85, 89, 93, 111, 155, 185, 195, 221, 255, 267, 403, 445, 465, 481, 527, 555, 629, 663, 1105, 1147, 1157, 1209, 1335, 1443, 1513, 1581, 1887, 2015, 2405, 2635, 2759, 3145, 3293, 3315, 3441, 3471, 4539, 5735, 5785, 6045, 6851, 7215, 7565, 7905, 8177, 8277, 9435, 9879, 13795, 14911, 16465, 17205, 17355, 19499, 19669, 20553, 22695, 24531, 34255, 35867, 40885, 41385, 42809, 44733, 46903, 49395, 55981, 58497, 59007, 74555, 97495, 98345, 102083, 102765, 107601, 122655, 128427, 140709, 167943, 179335, 214045, 223665, 234515, 253487, 279905, 292485, 295035, 306249, 510415, 538005, 609739, 642135, 703545, 727753, 760461, 839715, 1267435, 1327079, 1531245, 1735411, 1829217, 2183259, 3048695, 3638765, 3802305, 3981237, 5206233, 6635395, 8677055, 9146085, 10916295, 19906185, 22560343, 26031165, 67681029, 112801715, 338405145]

約数ペア:

[(1, 338405145), (3, 112801715), (5, 67681029), (13, 26031165), (15, 22560343), (17, 19906185), (31, 10916295), (37, 9146085), (39, 8677055), (51, 6635395), (65, 5206233), (85, 3981237), (89, 3802305), (93, 3638765), (111, 3048695), (155, 2183259), (185, 1829217), (195, 1735411), (221, 1531245), (255, 1327079), (267, 1267435), (403, 839715), (445, 760461), (465, 727753), (481, 703545), (527, 642135), (555, 609739), (629, 538005), (663, 510415), (1105, 306249), (1147, 295035), (1157, 292485), (1209, 279905), (1335, 253487), (1443, 234515), (1513, 223665), (1581, 214045), (1887, 179335), (2015, 167943), (2405, 140709), (2635, 128427), (2759, 122655), (3145, 107601), (3293, 102765), (3315, 102083), (3441, 98345), (3471, 97495), (4539, 74555), (5735, 59007), (5785, 58497), (6045, 55981), (6851, 49395), (7215, 46903), (7565, 44733), (7905, 42809), (8177, 41385), (8277, 40885), (9435, 35867), (9879, 34255), (13795, 24531), (14911, 22695), (16465, 20553), (17205, 19669), (17355, 19499)]