17942955

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 30302208

約数和(自身を除く): 12359253

約数列:

[1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 821, 1457, 2463, 4105, 4371, 7285, 12315, 21855, 25451, 38587, 76353, 115761, 127255, 192935, 381765, 578805, 1196197, 3588591, 5980985, 17942955]

約数ペア:

[(1, 17942955), (3, 5980985), (5, 3588591), (15, 1196197), (31, 578805), (47, 381765), (93, 192935), (141, 127255), (155, 115761), (235, 76353), (465, 38587), (705, 25451), (821, 21855), (1457, 12315), (2463, 7285), (4105, 4371)]