1636335

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 64

約数和(自身を含む): 3317760

約数和(自身を除く): 1681425

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 31, 45, 51, 69, 85, 93, 115, 135, 153, 155, 207, 255, 279, 345, 391, 459, 465, 527, 621, 713, 765, 837, 1035, 1173, 1395, 1581, 1955, 2139, 2295, 2635, 3105, 3519, 3565, 4185, 4743, 5865, 6417, 7905, 10557, 10695, 12121, 14229, 17595, 19251, 23715, 32085, 36363, 52785, 60605, 71145, 96255, 109089, 181815, 327267, 545445, 1636335]

約数ペア:

[(1, 1636335), (3, 545445), (5, 327267), (9, 181815), (15, 109089), (17, 96255), (23, 71145), (27, 60605), (31, 52785), (45, 36363), (51, 32085), (69, 23715), (85, 19251), (93, 17595), (115, 14229), (135, 12121), (153, 10695), (155, 10557), (207, 7905), (255, 6417), (279, 5865), (345, 4743), (391, 4185), (459, 3565), (465, 3519), (527, 3105), (621, 2635), (713, 2295), (765, 2139), (837, 1955), (1035, 1581), (1173, 1395)]