13821255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 30326400

約数和(自身を除く): 16505145

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 29, 35, 45, 51, 63, 85, 87, 89, 105, 119, 145, 153, 203, 255, 261, 267, 315, 357, 435, 445, 493, 595, 609, 623, 765, 801, 1015, 1071, 1305, 1335, 1479, 1513, 1785, 1827, 1869, 2465, 2581, 3045, 3115, 3451, 4005, 4437, 4539, 5355, 5607, 7395, 7565, 7743, 9135, 9345, 10353, 10591, 12905, 13617, 17255, 18067, 22185, 22695, 23229, 28035, 31059, 31773, 38715, 43877, 51765, 52955, 54201, 68085, 90335, 95319, 116145, 131631, 155295, 158865, 162603, 219385, 271005, 307139, 394893, 476595, 658155, 813015, 921417, 1535695, 1974465, 2764251, 4607085, 13821255]

約数ペア:

[(1, 13821255), (3, 4607085), (5, 2764251), (7, 1974465), (9, 1535695), (15, 921417), (17, 813015), (21, 658155), (29, 476595), (35, 394893), (45, 307139), (51, 271005), (63, 219385), (85, 162603), (87, 158865), (89, 155295), (105, 131631), (119, 116145), (145, 95319), (153, 90335), (203, 68085), (255, 54201), (261, 52955), (267, 51765), (315, 43877), (357, 38715), (435, 31773), (445, 31059), (493, 28035), (595, 23229), (609, 22695), (623, 22185), (765, 18067), (801, 17255), (1015, 13617), (1071, 12905), (1305, 10591), (1335, 10353), (1479, 9345), (1513, 9135), (1785, 7743), (1827, 7565), (1869, 7395), (2465, 5607), (2581, 5355), (3045, 4539), (3115, 4437), (3451, 4005)]