245259

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 430560

約数和(自身を除く): 185301

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 229, 357, 687, 1071, 1603, 2061, 3893, 4809, 11679, 14427, 27251, 35037, 81753, 245259]

約数ペア:

[(1, 245259), (3, 81753), (7, 35037), (9, 27251), (17, 14427), (21, 11679), (51, 4809), (63, 3893), (119, 2061), (153, 1603), (229, 1071), (357, 687)]