647438949

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{1571}}^1\times {\mathrm{1579}}^1$

素因数の和:3185

約数の個数: 24

約数和(自身を含む): 968666400

約数和(自身を除く): 321227451

約数列:

[1, 3, 9, 29, 87, 261, 1571, 1579, 4713, 4737, 14139, 14211, 45559, 45791, 136677, 137373, 410031, 412119, 2480609, 7441827, 22325481, 71937661, 215812983, 647438949]

約数ペア:

[(1, 647438949), (3, 215812983), (9, 71937661), (29, 22325481), (87, 7441827), (261, 2480609), (1571, 412119), (1579, 410031), (4713, 137373), (4737, 136677), (14139, 45791), (14211, 45559)]