78321987

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{797}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 115773840

約数和(自身を除く): 37451853

約数列:

[1, 3, 9, 61, 179, 183, 537, 549, 797, 1611, 2391, 7173, 10919, 32757, 48617, 98271, 142663, 145851, 427989, 437553, 1283967, 8702443, 26107329, 78321987]

約数ペア:

[(1, 78321987), (3, 26107329), (9, 8702443), (61, 1283967), (179, 437553), (183, 427989), (537, 145851), (549, 142663), (797, 98271), (1611, 48617), (2391, 32757), (7173, 10919)]