28030725

素因数分解:

$3^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 52050240

約数和(自身を除く): 24019515

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 131, 135, 225, 317, 393, 655, 675, 951, 1179, 1585, 1965, 2853, 3275, 3537, 4755, 5895, 7925, 8559, 9825, 14265, 17685, 23775, 29475, 41527, 42795, 71325, 88425, 124581, 207635, 213975, 373743, 622905, 1038175, 1121229, 1868715, 3114525, 5606145, 9343575, 28030725]

約数ペア:

[(1, 28030725), (3, 9343575), (5, 5606145), (9, 3114525), (15, 1868715), (25, 1121229), (27, 1038175), (45, 622905), (75, 373743), (131, 213975), (135, 207635), (225, 124581), (317, 88425), (393, 71325), (655, 42795), (675, 41527), (951, 29475), (1179, 23775), (1585, 17685), (1965, 14265), (2853, 9825), (3275, 8559), (3537, 7925), (4755, 5895)]