15620175

素因数分解:

$3^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 29179680

約数和(自身を除く): 13559505

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 135, 219, 225, 317, 365, 657, 675, 951, 1095, 1585, 1825, 1971, 2853, 3285, 4755, 5475, 7925, 8559, 9855, 14265, 16425, 23141, 23775, 42795, 49275, 69423, 71325, 115705, 208269, 213975, 347115, 578525, 624807, 1041345, 1735575, 3124035, 5206725, 15620175]

約数ペア:

[(1, 15620175), (3, 5206725), (5, 3124035), (9, 1735575), (15, 1041345), (25, 624807), (27, 578525), (45, 347115), (73, 213975), (75, 208269), (135, 115705), (219, 71325), (225, 69423), (317, 49275), (365, 42795), (657, 23775), (675, 23141), (951, 16425), (1095, 14265), (1585, 9855), (1825, 8559), (1971, 7925), (2853, 5475), (3285, 4755)]