217821006

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{930859}}^1$

素因数の和:930880

約数の個数: 24

約数和(自身を含む): 508249560

約数和(自身を除く): 290428554

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 930859, 1861718, 2792577, 5585154, 8377731, 12101167, 16755462, 24202334, 36303501, 72607002, 108910503, 217821006]

約数ペア:

[(1, 217821006), (2, 108910503), (3, 72607002), (6, 36303501), (9, 24202334), (13, 16755462), (18, 12101167), (26, 8377731), (39, 5585154), (78, 2792577), (117, 1861718), (234, 930859)]