159721875

素因数分解:

$3^4\times 5^5\times {\mathrm{631}}^1$

素因数の和:668

約数の個数: 60

約数和(自身を含む): 298699632

約数和(自身を除く): 138977757

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 625, 631, 675, 1125, 1875, 1893, 2025, 3125, 3155, 3375, 5625, 5679, 9375, 9465, 10125, 15775, 16875, 17037, 28125, 28395, 47325, 50625, 51111, 78875, 84375, 85185, 141975, 236625, 253125, 255555, 394375, 425925, 709875, 1183125, 1277775, 1971875, 2129625, 3549375, 5915625, 6388875, 10648125, 17746875, 31944375, 53240625, 159721875]

約数ペア:

[(1, 159721875), (3, 53240625), (5, 31944375), (9, 17746875), (15, 10648125), (25, 6388875), (27, 5915625), (45, 3549375), (75, 2129625), (81, 1971875), (125, 1277775), (135, 1183125), (225, 709875), (375, 425925), (405, 394375), (625, 255555), (631, 253125), (675, 236625), (1125, 141975), (1875, 85185), (1893, 84375), (2025, 78875), (3125, 51111), (3155, 50625), (3375, 47325), (5625, 28395), (5679, 28125), (9375, 17037), (9465, 16875), (10125, 15775)]