17387979

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 27525120

約数和(自身を除く): 10137141

約数列:

[1, 3, 7, 21, 47, 79, 141, 223, 237, 329, 553, 669, 987, 1561, 1659, 3713, 4683, 10481, 11139, 17617, 25991, 31443, 52851, 73367, 77973, 123319, 220101, 369957, 827999, 2483997, 5795993, 17387979]

約数ペア:

[(1, 17387979), (3, 5795993), (7, 2483997), (21, 827999), (47, 369957), (79, 220101), (141, 123319), (223, 77973), (237, 73367), (329, 52851), (553, 31443), (669, 25991), (987, 17617), (1561, 11139), (1659, 10481), (3713, 4683)]