155491155

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7907}}^1$

素因数の和:7960

約数の個数: 48

約数和(自身を含む): 296075520

約数和(自身を除く): 140584365

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 207, 285, 345, 437, 855, 1035, 1311, 2185, 3933, 6555, 7907, 19665, 23721, 39535, 71163, 118605, 150233, 181861, 355815, 450699, 545583, 751165, 909305, 1352097, 1636749, 2253495, 2727915, 3455359, 6760485, 8183745, 10366077, 17276795, 31098231, 51830385, 155491155]

約数ペア:

[(1, 155491155), (3, 51830385), (5, 31098231), (9, 17276795), (15, 10366077), (19, 8183745), (23, 6760485), (45, 3455359), (57, 2727915), (69, 2253495), (95, 1636749), (115, 1352097), (171, 909305), (207, 751165), (285, 545583), (345, 450699), (437, 355815), (855, 181861), (1035, 150233), (1311, 118605), (2185, 71163), (3933, 39535), (6555, 23721), (7907, 19665)]