85898025

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{1321}}^1$

素因数の和:1371

約数の個数: 54

約数和(自身を含む): 163559162

約数和(自身を除く): 77661137

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 289, 425, 765, 867, 1275, 1321, 1445, 2601, 3825, 3963, 4335, 6605, 7225, 11889, 13005, 19815, 21675, 22457, 33025, 59445, 65025, 67371, 99075, 112285, 202113, 297225, 336855, 381769, 561425, 1010565, 1145307, 1684275, 1908845, 3435921, 5052825, 5726535, 9544225, 17179605, 28632675, 85898025]

約数ペア:

[(1, 85898025), (3, 28632675), (5, 17179605), (9, 9544225), (15, 5726535), (17, 5052825), (25, 3435921), (45, 1908845), (51, 1684275), (75, 1145307), (85, 1010565), (153, 561425), (225, 381769), (255, 336855), (289, 297225), (425, 202113), (765, 112285), (867, 99075), (1275, 67371), (1321, 65025), (1445, 59445), (2601, 33025), (3825, 22457), (3963, 21675), (4335, 19815), (6605, 13005), (7225, 11889)]