86919357

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1217}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 140313600

約数和(自身を除く): 53394243

約数列:

[1, 3, 7, 19, 21, 57, 133, 179, 399, 537, 1217, 1253, 3401, 3651, 3759, 8519, 10203, 23123, 23807, 25557, 69369, 71421, 161861, 217843, 485583, 653529, 1524901, 4139017, 4574703, 12417051, 28973119, 86919357]

約数ペア:

[(1, 86919357), (3, 28973119), (7, 12417051), (19, 4574703), (21, 4139017), (57, 1524901), (133, 653529), (179, 485583), (399, 217843), (537, 161861), (1217, 71421), (1253, 69369), (3401, 25557), (3651, 23807), (3759, 23123), (8519, 10203)]