72837921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 108380160

約数和(自身を除く): 35542239

約数列:

[1, 3, 13, 39, 47, 79, 141, 237, 503, 611, 1027, 1509, 1833, 3081, 3713, 6539, 11139, 19617, 23641, 39737, 48269, 70923, 119211, 144807, 307333, 516581, 921999, 1549743, 1867639, 5602917, 24279307, 72837921]

約数ペア:

[(1, 72837921), (3, 24279307), (13, 5602917), (39, 1867639), (47, 1549743), (79, 921999), (141, 516581), (237, 307333), (503, 144807), (611, 119211), (1027, 70923), (1509, 48269), (1833, 39737), (3081, 23641), (3713, 19617), (6539, 11139)]