204885

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 369720

約数和(自身を除く): 164835

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 157, 261, 435, 471, 785, 1305, 1413, 2355, 4553, 7065, 13659, 22765, 40977, 68295, 204885]

約数ペア:

[(1, 204885), (3, 68295), (5, 40977), (9, 22765), (15, 13659), (29, 7065), (45, 4553), (87, 2355), (145, 1413), (157, 1305), (261, 785), (435, 471)]