155571645

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{1481}}^1$

素因数の和:1685

約数の個数: 32

約数和(自身を含む): 256089600

約数和(自身を除く): 100517955

約数列:

[1, 3, 5, 15, 47, 141, 149, 235, 447, 705, 745, 1481, 2235, 4443, 7003, 7405, 21009, 22215, 35015, 69607, 105045, 208821, 220669, 348035, 662007, 1044105, 1103345, 3310035, 10371443, 31114329, 51857215, 155571645]

約数ペア:

[(1, 155571645), (3, 51857215), (5, 31114329), (15, 10371443), (47, 3310035), (141, 1103345), (149, 1044105), (235, 662007), (447, 348035), (705, 220669), (745, 208821), (1481, 105045), (2235, 69607), (4443, 35015), (7003, 22215), (7405, 21009)]