17970855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5521}}^1$

素因数の和:5567

約数の個数: 32

約数和(自身を含む): 33927168

約数和(自身を除く): 15956313

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 5521, 16563, 27605, 38647, 82815, 115941, 171151, 193235, 513453, 579705, 855755, 1198057, 2567265, 3594171, 5990285, 17970855]

約数ペア:

[(1, 17970855), (3, 5990285), (5, 3594171), (7, 2567265), (15, 1198057), (21, 855755), (31, 579705), (35, 513453), (93, 193235), (105, 171151), (155, 115941), (217, 82815), (465, 38647), (651, 27605), (1085, 16563), (3255, 5521)]