2666505

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 4561920

約数和(自身を除く): 1895415

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 131, 177, 295, 345, 393, 655, 885, 1357, 1965, 3013, 4071, 6785, 7729, 9039, 15065, 20355, 23187, 38645, 45195, 115935, 177767, 533301, 888835, 2666505]

約数ペア:

[(1, 2666505), (3, 888835), (5, 533301), (15, 177767), (23, 115935), (59, 45195), (69, 38645), (115, 23187), (131, 20355), (177, 15065), (295, 9039), (345, 7729), (393, 6785), (655, 4071), (885, 3013), (1357, 1965)]