7948125

素因数分解:

$3^4\times 5^4\times {\mathrm{157}}^1$

素因数の和:189

約数の個数: 50

約数和(自身を含む): 14931158

約数和(自身を除く): 6983033

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 157, 225, 375, 405, 471, 625, 675, 785, 1125, 1413, 1875, 2025, 2355, 3375, 3925, 4239, 5625, 7065, 10125, 11775, 12717, 16875, 19625, 21195, 35325, 50625, 58875, 63585, 98125, 105975, 176625, 294375, 317925, 529875, 883125, 1589625, 2649375, 7948125]

約数ペア:

[(1, 7948125), (3, 2649375), (5, 1589625), (9, 883125), (15, 529875), (25, 317925), (27, 294375), (45, 176625), (75, 105975), (81, 98125), (125, 63585), (135, 58875), (157, 50625), (225, 35325), (375, 21195), (405, 19625), (471, 16875), (625, 12717), (675, 11775), (785, 10125), (1125, 7065), (1413, 5625), (1875, 4239), (2025, 3925), (2355, 3375)]