39664989

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2549}}^1$

素因数の和:2594

約数の個数: 48

約数和(自身を含む): 74256000

約数和(自身を除く): 34591011

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 1197, 1729, 2223, 2549, 5187, 7647, 15561, 17843, 22941, 33137, 48431, 53529, 99411, 145293, 160587, 231959, 298233, 339017, 435879, 629603, 695877, 1017051, 1888809, 2087631, 3051153, 4407221, 5666427, 13221663, 39664989]

約数ペア:

[(1, 39664989), (3, 13221663), (7, 5666427), (9, 4407221), (13, 3051153), (19, 2087631), (21, 1888809), (39, 1017051), (57, 695877), (63, 629603), (91, 435879), (117, 339017), (133, 298233), (171, 231959), (247, 160587), (273, 145293), (399, 99411), (741, 53529), (819, 48431), (1197, 33137), (1729, 22941), (2223, 17843), (2549, 15561), (5187, 7647)]