213597843

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{809}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 313528320

約数和(自身を除く): 99930477

約数列:

[1, 3, 17, 31, 51, 93, 167, 501, 527, 809, 1581, 2427, 2839, 5177, 8517, 13753, 15531, 25079, 41259, 75237, 88009, 135103, 264027, 405309, 426343, 1279029, 2296751, 4188193, 6890253, 12564579, 71199281, 213597843]

約数ペア:

[(1, 213597843), (3, 71199281), (17, 12564579), (31, 6890253), (51, 4188193), (93, 2296751), (167, 1279029), (501, 426343), (527, 405309), (809, 264027), (1581, 135103), (2427, 88009), (2839, 75237), (5177, 41259), (8517, 25079), (13753, 15531)]