25107705

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{163}}^2$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 51327360

約数和(自身を除く): 26219655

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 163, 189, 315, 489, 815, 945, 1141, 1467, 2445, 3423, 4401, 5705, 7335, 10269, 17115, 22005, 26569, 30807, 51345, 79707, 132845, 154035, 185983, 239121, 398535, 557949, 717363, 929915, 1195605, 1673847, 2789745, 3586815, 5021541, 8369235, 25107705]

約数ペア:

[(1, 25107705), (3, 8369235), (5, 5021541), (7, 3586815), (9, 2789745), (15, 1673847), (21, 1195605), (27, 929915), (35, 717363), (45, 557949), (63, 398535), (105, 239121), (135, 185983), (163, 154035), (189, 132845), (315, 79707), (489, 51345), (815, 30807), (945, 26569), (1141, 22005), (1467, 17115), (2445, 10269), (3423, 7335), (4401, 5705)]