12457725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 23986560

約数和(自身を除く): 11528835

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 61, 75, 105, 175, 183, 305, 389, 427, 525, 915, 1167, 1281, 1525, 1945, 2135, 2723, 4575, 5835, 6405, 8169, 9725, 10675, 13615, 23729, 29175, 32025, 40845, 68075, 71187, 118645, 166103, 204225, 355935, 498309, 593225, 830515, 1779675, 2491545, 4152575, 12457725]

約数ペア:

[(1, 12457725), (3, 4152575), (5, 2491545), (7, 1779675), (15, 830515), (21, 593225), (25, 498309), (35, 355935), (61, 204225), (75, 166103), (105, 118645), (175, 71187), (183, 68075), (305, 40845), (389, 32025), (427, 29175), (525, 23729), (915, 13615), (1167, 10675), (1281, 9725), (1525, 8169), (1945, 6405), (2135, 5835), (2723, 4575)]