290325

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{79}}^1$

素因数の和:106

約数の個数: 36

約数和(自身を含む): 565440

約数和(自身を除く): 275115

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 79, 105, 147, 175, 237, 245, 395, 525, 553, 735, 1185, 1225, 1659, 1975, 2765, 3675, 3871, 5925, 8295, 11613, 13825, 19355, 41475, 58065, 96775, 290325]

約数ペア:

[(1, 290325), (3, 96775), (5, 58065), (7, 41475), (15, 19355), (21, 13825), (25, 11613), (35, 8295), (49, 5925), (75, 3871), (79, 3675), (105, 2765), (147, 1975), (175, 1659), (237, 1225), (245, 1185), (395, 735), (525, 553)]