725871105

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{64781}}^1$

素因数の和:64878

約数の個数: 32

約数和(自身を含む): 1306005120

約数和(自身を除く): 580134015

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 2241, 3735, 11205, 64781, 194343, 323905, 583029, 971715, 1749087, 2915145, 5376823, 8745435, 16130469, 26884115, 48391407, 80652345, 145174221, 241957035, 725871105]

約数ペア:

[(1, 725871105), (3, 241957035), (5, 145174221), (9, 80652345), (15, 48391407), (27, 26884115), (45, 16130469), (83, 8745435), (135, 5376823), (249, 2915145), (415, 1749087), (747, 971715), (1245, 583029), (2241, 323905), (3735, 194343), (11205, 64781)]