205875369

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3023}}^1$

素因数の和:3106

約数の個数: 48

約数和(自身を含む): 362299392

約数和(自身を除く): 156424023

約数列:

[1, 3, 7, 9, 21, 23, 47, 63, 69, 141, 161, 207, 329, 423, 483, 987, 1081, 1449, 2961, 3023, 3243, 7567, 9069, 9729, 21161, 22701, 27207, 63483, 68103, 69529, 142081, 190449, 208587, 426243, 486703, 625761, 994567, 1278729, 1460109, 2983701, 3267863, 4380327, 8951103, 9803589, 22875041, 29410767, 68625123, 205875369]

約数ペア:

[(1, 205875369), (3, 68625123), (7, 29410767), (9, 22875041), (21, 9803589), (23, 8951103), (47, 4380327), (63, 3267863), (69, 2983701), (141, 1460109), (161, 1278729), (207, 994567), (329, 625761), (423, 486703), (483, 426243), (987, 208587), (1081, 190449), (1449, 142081), (2961, 69529), (3023, 68103), (3243, 63483), (7567, 27207), (9069, 22701), (9729, 21161)]