2038491

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 3843840

約数和(自身を除く): 1805349

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 131, 133, 171, 247, 273, 393, 399, 741, 819, 917, 1179, 1197, 1703, 1729, 2223, 2489, 2751, 5109, 5187, 7467, 8253, 11921, 15327, 15561, 17423, 22401, 32357, 35763, 52269, 97071, 107289, 156807, 226499, 291213, 679497, 2038491]

約数ペア:

[(1, 2038491), (3, 679497), (7, 291213), (9, 226499), (13, 156807), (19, 107289), (21, 97071), (39, 52269), (57, 35763), (63, 32357), (91, 22401), (117, 17423), (131, 15561), (133, 15327), (171, 11921), (247, 8253), (273, 7467), (393, 5187), (399, 5109), (741, 2751), (819, 2489), (917, 2223), (1179, 1729), (1197, 1703)]