81969635

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 110151360

約数和(自身を除く): 28181725

約数列:

[1, 5, 11, 55, 109, 113, 121, 545, 565, 605, 1199, 1243, 1331, 5995, 6215, 6655, 12317, 13189, 13673, 61585, 65945, 68365, 135487, 145079, 150403, 677435, 725395, 752015, 1490357, 7451785, 16393927, 81969635]

約数ペア:

[(1, 81969635), (5, 16393927), (11, 7451785), (55, 1490357), (109, 752015), (113, 725395), (121, 677435), (545, 150403), (565, 145079), (605, 135487), (1199, 68365), (1243, 65945), (1331, 61585), (5995, 13673), (6215, 13189), (6655, 12317)]