40728051

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^2$

素因数の和:472

約数の個数: 36

約数和(自身を含む): 72731568

約数和(自身を除く): 32003517

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 223, 273, 669, 819, 1561, 2007, 2899, 4683, 8697, 14049, 20293, 26091, 49729, 60879, 149187, 182637, 348103, 447561, 646477, 1044309, 1939431, 3132927, 4525339, 5818293, 13576017, 40728051]

約数ペア:

[(1, 40728051), (3, 13576017), (7, 5818293), (9, 4525339), (13, 3132927), (21, 1939431), (39, 1044309), (63, 646477), (91, 447561), (117, 348103), (223, 182637), (273, 149187), (669, 60879), (819, 49729), (1561, 26091), (2007, 20293), (2899, 14049), (4683, 8697)]