218342145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67079}}^1$

素因数の和:67125

約数の個数: 32

約数和(自身を含む): 412139520

約数和(自身を除く): 193797375

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 67079, 201237, 335395, 469553, 1006185, 1408659, 2079449, 2347765, 6238347, 7043295, 10397245, 14556143, 31191735, 43668429, 72780715, 218342145]

約数ペア:

[(1, 218342145), (3, 72780715), (5, 43668429), (7, 31191735), (15, 14556143), (21, 10397245), (31, 7043295), (35, 6238347), (93, 2347765), (105, 2079449), (155, 1408659), (217, 1006185), (465, 469553), (651, 335395), (1085, 201237), (3255, 67079)]