156655215

素因数分解:

$3^4\times 5^1\times {\mathrm{613}}^1\times {\mathrm{631}}^1$

素因数の和:1261

約数の個数: 40

約数和(自身を含む): 281722848

約数和(自身を除く): 125067633

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 613, 631, 1839, 1893, 3065, 3155, 5517, 5679, 9195, 9465, 16551, 17037, 27585, 28395, 49653, 51111, 82755, 85185, 248265, 255555, 386803, 1160409, 1934015, 3481227, 5802045, 10443681, 17406135, 31331043, 52218405, 156655215]

約数ペア:

[(1, 156655215), (3, 52218405), (5, 31331043), (9, 17406135), (15, 10443681), (27, 5802045), (45, 3481227), (81, 1934015), (135, 1160409), (405, 386803), (613, 255555), (631, 248265), (1839, 85185), (1893, 82755), (3065, 51111), (3155, 49653), (5517, 28395), (5679, 27585), (9195, 17037), (9465, 16551)]