71430741

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:735

約数の個数: 40

約数和(自身を含む): 112907520

約数和(自身を除く): 41476779

約数列:

[1, 3, 9, 27, 29, 47, 81, 87, 141, 261, 423, 647, 783, 1269, 1363, 1941, 2349, 3807, 4089, 5823, 12267, 17469, 18763, 30409, 36801, 52407, 56289, 91227, 110403, 168867, 273681, 506601, 821043, 881861, 1519803, 2463129, 2645583, 7936749, 23810247, 71430741]

約数ペア:

[(1, 71430741), (3, 23810247), (9, 7936749), (27, 2645583), (29, 2463129), (47, 1519803), (81, 881861), (87, 821043), (141, 506601), (261, 273681), (423, 168867), (647, 110403), (783, 91227), (1269, 56289), (1363, 52407), (1941, 36801), (2349, 30409), (3807, 18763), (4089, 17469), (5823, 12267)]