7828515

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{563}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 14077440

約数和(自身を除く): 6248925

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 563, 927, 1545, 1689, 2781, 2815, 4635, 5067, 8445, 13905, 15201, 25335, 57989, 76005, 173967, 289945, 521901, 869835, 1565703, 2609505, 7828515]

約数ペア:

[(1, 7828515), (3, 2609505), (5, 1565703), (9, 869835), (15, 521901), (27, 289945), (45, 173967), (103, 76005), (135, 57989), (309, 25335), (515, 15201), (563, 13905), (927, 8445), (1545, 5067), (1689, 4635), (2781, 2815)]