217670295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{5437}}^1$

素因数の和:5619

約数の個数: 32

約数和(自身を含む): 371176128

約数和(自身を除く): 153505833

約数列:

[1, 3, 5, 15, 17, 51, 85, 157, 255, 471, 785, 2355, 2669, 5437, 8007, 13345, 16311, 27185, 40035, 81555, 92429, 277287, 462145, 853609, 1386435, 2560827, 4268045, 12804135, 14511353, 43534059, 72556765, 217670295]

約数ペア:

[(1, 217670295), (3, 72556765), (5, 43534059), (15, 14511353), (17, 12804135), (51, 4268045), (85, 2560827), (157, 1386435), (255, 853609), (471, 462145), (785, 277287), (2355, 92429), (2669, 81555), (5437, 40035), (8007, 27185), (13345, 16311)]