25205475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 45077472

約数和(自身を除く): 19871997

約数列:

[1, 3, 5, 15, 17, 25, 51, 53, 75, 85, 159, 255, 265, 373, 425, 795, 901, 1119, 1275, 1325, 1865, 2703, 3975, 4505, 5595, 6341, 9325, 13515, 19023, 19769, 22525, 27975, 31705, 59307, 67575, 95115, 98845, 158525, 296535, 336073, 475575, 494225, 1008219, 1482675, 1680365, 5041095, 8401825, 25205475]

約数ペア:

[(1, 25205475), (3, 8401825), (5, 5041095), (15, 1680365), (17, 1482675), (25, 1008219), (51, 494225), (53, 475575), (75, 336073), (85, 296535), (159, 158525), (255, 98845), (265, 95115), (373, 67575), (425, 59307), (795, 31705), (901, 27975), (1119, 22525), (1275, 19769), (1325, 19023), (1865, 13515), (2703, 9325), (3975, 6341), (4505, 5595)]