25149375

素因数分解:

$3^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 60

約数和(自身を含む): 48247056

約数和(自身を除く): 23097681

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 263, 375, 425, 625, 765, 789, 1125, 1275, 1315, 1875, 2125, 2367, 3825, 3945, 4471, 5625, 6375, 6575, 10625, 11835, 13413, 19125, 19725, 22355, 31875, 32875, 40239, 59175, 67065, 95625, 98625, 111775, 164375, 201195, 295875, 335325, 493125, 558875, 1005975, 1479375, 1676625, 2794375, 5029875, 8383125, 25149375]

約数ペア:

[(1, 25149375), (3, 8383125), (5, 5029875), (9, 2794375), (15, 1676625), (17, 1479375), (25, 1005975), (45, 558875), (51, 493125), (75, 335325), (85, 295875), (125, 201195), (153, 164375), (225, 111775), (255, 98625), (263, 95625), (375, 67065), (425, 59175), (625, 40239), (765, 32875), (789, 31875), (1125, 22355), (1275, 19725), (1315, 19125), (1875, 13413), (2125, 11835), (2367, 10625), (3825, 6575), (3945, 6375), (4471, 5625)]