420460875

素因数分解:

$3^4\times 5^3\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:475

約数の個数: 80

約数和(自身を含む): 792338976

約数和(自身を除く): 371878101

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 131, 135, 225, 317, 375, 393, 405, 655, 675, 951, 1125, 1179, 1585, 1965, 2025, 2853, 3275, 3375, 3537, 4755, 5895, 7925, 8559, 9825, 10125, 10611, 14265, 16375, 17685, 23775, 25677, 29475, 39625, 41527, 42795, 49125, 53055, 71325, 88425, 118875, 124581, 128385, 147375, 207635, 213975, 265275, 356625, 373743, 442125, 622905, 641925, 1038175, 1069875, 1121229, 1326375, 1868715, 3114525, 3209625, 3363687, 5190875, 5606145, 9343575, 15572625, 16818435, 28030725, 46717875, 84092175, 140153625, 420460875]

約数ペア:

[(1, 420460875), (3, 140153625), (5, 84092175), (9, 46717875), (15, 28030725), (25, 16818435), (27, 15572625), (45, 9343575), (75, 5606145), (81, 5190875), (125, 3363687), (131, 3209625), (135, 3114525), (225, 1868715), (317, 1326375), (375, 1121229), (393, 1069875), (405, 1038175), (655, 641925), (675, 622905), (951, 442125), (1125, 373743), (1179, 356625), (1585, 265275), (1965, 213975), (2025, 207635), (2853, 147375), (3275, 128385), (3375, 124581), (3537, 118875), (4755, 88425), (5895, 71325), (7925, 53055), (8559, 49125), (9825, 42795), (10125, 41527), (10611, 39625), (14265, 29475), (16375, 25677), (17685, 23775)]