12219825

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2671}}^1$

素因数の和:2745

約数の個数: 24

約数和(自身を含む): 20542336

約数和(自身を除く): 8322511

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 2671, 4575, 8013, 13355, 40065, 66775, 162931, 200325, 488793, 814655, 2443965, 4073275, 12219825]

約数ペア:

[(1, 12219825), (3, 4073275), (5, 2443965), (15, 814655), (25, 488793), (61, 200325), (75, 162931), (183, 66775), (305, 40065), (915, 13355), (1525, 8013), (2671, 4575)]