2131965

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 4155840

約数和(自身を除く): 2023875

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 59, 73, 99, 165, 177, 219, 295, 365, 495, 531, 649, 657, 803, 885, 1095, 1947, 2409, 2655, 3245, 3285, 4015, 4307, 5841, 7227, 9735, 12045, 12921, 21535, 29205, 36135, 38763, 47377, 64605, 142131, 193815, 236885, 426393, 710655, 2131965]

約数ペア:

[(1, 2131965), (3, 710655), (5, 426393), (9, 236885), (11, 193815), (15, 142131), (33, 64605), (45, 47377), (55, 38763), (59, 36135), (73, 29205), (99, 21535), (165, 12921), (177, 12045), (219, 9735), (295, 7227), (365, 5841), (495, 4307), (531, 4015), (649, 3285), (657, 3245), (803, 2655), (885, 2409), (1095, 1947)]