17212905

素因数分解:

$3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 32008704

約数和(自身を除く): 14795799

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 243, 279, 405, 457, 465, 837, 1215, 1371, 1395, 2285, 2511, 4113, 4185, 6855, 7533, 12339, 12555, 14167, 20565, 37017, 37665, 42501, 61695, 70835, 111051, 127503, 185085, 212505, 382509, 555255, 637515, 1147527, 1912545, 3442581, 5737635, 17212905]

約数ペア:

[(1, 17212905), (3, 5737635), (5, 3442581), (9, 1912545), (15, 1147527), (27, 637515), (31, 555255), (45, 382509), (81, 212505), (93, 185085), (135, 127503), (155, 111051), (243, 70835), (279, 61695), (405, 42501), (457, 37665), (465, 37017), (837, 20565), (1215, 14167), (1371, 12555), (1395, 12339), (2285, 7533), (2511, 6855), (4113, 4185)]