38890761

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 66495744

約数和(自身を除く): 27604983

約数列:

[1, 3, 7, 13, 21, 39, 47, 49, 91, 141, 147, 273, 329, 433, 611, 637, 987, 1299, 1833, 1911, 2303, 3031, 4277, 5629, 6909, 9093, 12831, 16887, 20351, 21217, 29939, 39403, 61053, 63651, 89817, 118209, 142457, 264563, 275821, 427371, 793689, 827463, 997199, 1851941, 2991597, 5555823, 12963587, 38890761]

約数ペア:

[(1, 38890761), (3, 12963587), (7, 5555823), (13, 2991597), (21, 1851941), (39, 997199), (47, 827463), (49, 793689), (91, 427371), (141, 275821), (147, 264563), (273, 142457), (329, 118209), (433, 89817), (611, 63651), (637, 61053), (987, 39403), (1299, 29939), (1833, 21217), (1911, 20351), (2303, 16887), (3031, 12831), (4277, 9093), (5629, 6909)]