25506075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2596

約数の個数: 48

約数和(自身を含む): 50750720

約数和(自身を除く): 25244645

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 2557, 3325, 7671, 9975, 12785, 17899, 38355, 48583, 53697, 63925, 89495, 145749, 191775, 242915, 268485, 340081, 447475, 728745, 1020243, 1214575, 1342425, 1700405, 3643725, 5101215, 8502025, 25506075]

約数ペア:

[(1, 25506075), (3, 8502025), (5, 5101215), (7, 3643725), (15, 1700405), (19, 1342425), (21, 1214575), (25, 1020243), (35, 728745), (57, 447475), (75, 340081), (95, 268485), (105, 242915), (133, 191775), (175, 145749), (285, 89495), (399, 63925), (475, 53697), (525, 48583), (665, 38355), (1425, 17899), (1995, 12785), (2557, 9975), (3325, 7671)]