81323490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{20693}}^1$

素因数の和:20834

約数の個数: 32

約数和(自身を含む): 196675776

約数和(自身を除く): 115352286

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 20693, 41386, 62079, 103465, 124158, 206930, 310395, 620790, 2710783, 5421566, 8132349, 13553915, 16264698, 27107830, 40661745, 81323490]

約数ペア:

[(1, 81323490), (2, 40661745), (3, 27107830), (5, 16264698), (6, 13553915), (10, 8132349), (15, 5421566), (30, 2710783), (131, 620790), (262, 310395), (393, 206930), (655, 124158), (786, 103465), (1310, 62079), (1965, 41386), (3930, 20693)]