400491

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:192

約数の個数: 32

約数和(自身を含む): 734720

約数和(自身を除く): 334229

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 163, 189, 273, 351, 489, 819, 1141, 1467, 2119, 2457, 3423, 4401, 6357, 10269, 14833, 19071, 30807, 44499, 57213, 133497, 400491]

約数ペア:

[(1, 400491), (3, 133497), (7, 57213), (9, 44499), (13, 30807), (21, 19071), (27, 14833), (39, 10269), (63, 6357), (91, 4401), (117, 3423), (163, 2457), (189, 2119), (273, 1467), (351, 1141), (489, 819)]