7215705867

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{919}}^1\times {\mathrm{991}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 10221568000

約数和(自身を除く): 3005862133

約数列:

[1, 3, 19, 57, 139, 417, 919, 991, 2641, 2757, 2973, 7923, 17461, 18829, 52383, 56487, 127741, 137749, 383223, 413247, 910729, 2427079, 2617231, 2732187, 7281237, 7851693, 17303851, 51911553, 126591331, 379773993, 2405235289, 7215705867]

約数ペア:

[(1, 7215705867), (3, 2405235289), (19, 379773993), (57, 126591331), (139, 51911553), (417, 17303851), (919, 7851693), (991, 7281237), (2641, 2732187), (2757, 2617231), (2973, 2427079), (7923, 910729), (17461, 413247), (18829, 383223), (52383, 137749), (56487, 127741)]