25913025

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^2$

素因数の和:163

約数の個数: 54

約数和(自身を含む): 48459138

約数和(自身を除く): 22546113

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 53, 75, 123, 159, 205, 225, 265, 369, 477, 615, 795, 1025, 1325, 1845, 2173, 2385, 2809, 3075, 3975, 6519, 8427, 9225, 10865, 11925, 14045, 19557, 25281, 32595, 42135, 54325, 70225, 97785, 115169, 126405, 162975, 210675, 345507, 488925, 575845, 632025, 1036521, 1727535, 2879225, 5182605, 8637675, 25913025]

約数ペア:

[(1, 25913025), (3, 8637675), (5, 5182605), (9, 2879225), (15, 1727535), (25, 1036521), (41, 632025), (45, 575845), (53, 488925), (75, 345507), (123, 210675), (159, 162975), (205, 126405), (225, 115169), (265, 97785), (369, 70225), (477, 54325), (615, 42135), (795, 32595), (1025, 25281), (1325, 19557), (1845, 14045), (2173, 11925), (2385, 10865), (2809, 9225), (3075, 8427), (3975, 6519)]