161780085

素因数分解:

$3^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2309}}^1$

素因数の和:2499

約数の個数: 40

約数和(自身を含む): 291808440

約数和(自身を除く): 130028355

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 173, 405, 519, 865, 1557, 2309, 2595, 4671, 6927, 7785, 11545, 14013, 20781, 23355, 34635, 62343, 70065, 103905, 187029, 311715, 399457, 935145, 1198371, 1997285, 3595113, 5991855, 10785339, 17975565, 32356017, 53926695, 161780085]

約数ペア:

[(1, 161780085), (3, 53926695), (5, 32356017), (9, 17975565), (15, 10785339), (27, 5991855), (45, 3595113), (81, 1997285), (135, 1198371), (173, 935145), (405, 399457), (519, 311715), (865, 187029), (1557, 103905), (2309, 70065), (2595, 62343), (4671, 34635), (6927, 23355), (7785, 20781), (11545, 14013)]