631138473

素因数分解:

$3^4\times 7^2\times {\mathrm{159017}}^1$

素因数の和:159043

約数の個数: 30

約数和(自身を含む): 1096747146

約数和(自身を除く): 465608673

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 159017, 477051, 1113119, 1431153, 3339357, 4293459, 7791833, 10018071, 12880377, 23375499, 30054213, 70126497, 90162639, 210379491, 631138473]

約数ペア:

[(1, 631138473), (3, 210379491), (7, 90162639), (9, 70126497), (21, 30054213), (27, 23375499), (49, 12880377), (63, 10018071), (81, 7791833), (147, 4293459), (189, 3339357), (441, 1431153), (567, 1113119), (1323, 477051), (3969, 159017)]