64987995

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1667}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 109527552

約数和(自身を除く): 44539557

約数列:

[1, 3, 5, 15, 23, 69, 113, 115, 339, 345, 565, 1667, 1695, 2599, 5001, 7797, 8335, 12995, 25005, 38341, 38985, 115023, 188371, 191705, 565113, 575115, 941855, 2825565, 4332533, 12997599, 21662665, 64987995]

約数ペア:

[(1, 64987995), (3, 21662665), (5, 12997599), (15, 4332533), (23, 2825565), (69, 941855), (113, 575115), (115, 565113), (339, 191705), (345, 188371), (565, 115023), (1667, 38985), (1695, 38341), (2599, 25005), (5001, 12995), (7797, 8335)]