256119075

素因数分解:

$3^2\times 5^2\times {\mathrm{547}}^1\times {\mathrm{2081}}^1$

素因数の和:2644

約数の個数: 36

約数和(自身を含む): 459797208

約数和(自身を除く): 203678133

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 547, 1641, 2081, 2735, 4923, 6243, 8205, 10405, 13675, 18729, 24615, 31215, 41025, 52025, 93645, 123075, 156075, 468225, 1138307, 3414921, 5691535, 10244763, 17074605, 28457675, 51223815, 85373025, 256119075]

約数ペア:

[(1, 256119075), (3, 85373025), (5, 51223815), (9, 28457675), (15, 17074605), (25, 10244763), (45, 5691535), (75, 3414921), (225, 1138307), (547, 468225), (1641, 156075), (2081, 123075), (2735, 93645), (4923, 52025), (6243, 41025), (8205, 31215), (10405, 24615), (13675, 18729)]