156808215

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 279991296

約数和(自身を除く): 123183081

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 151, 235, 423, 453, 491, 705, 755, 1359, 1473, 2115, 2265, 2455, 4419, 6795, 7097, 7365, 21291, 22095, 23077, 35485, 63873, 69231, 74141, 106455, 115385, 207693, 222423, 319365, 346155, 370705, 667269, 1038465, 1112115, 3336345, 3484627, 10453881, 17423135, 31361643, 52269405, 156808215]

約数ペア:

[(1, 156808215), (3, 52269405), (5, 31361643), (9, 17423135), (15, 10453881), (45, 3484627), (47, 3336345), (141, 1112115), (151, 1038465), (235, 667269), (423, 370705), (453, 346155), (491, 319365), (705, 222423), (755, 207693), (1359, 115385), (1473, 106455), (2115, 74141), (2265, 69231), (2455, 63873), (4419, 35485), (6795, 23077), (7097, 22095), (7365, 21291)]