27919375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 40

約数和(自身を含む): 39587328

約数和(自身を除く): 11667953

約数列:

[1, 5, 11, 25, 31, 55, 125, 131, 155, 275, 341, 625, 655, 775, 1375, 1441, 1705, 3275, 3875, 4061, 6875, 7205, 8525, 16375, 19375, 20305, 36025, 42625, 44671, 81875, 101525, 180125, 213125, 223355, 507625, 900625, 1116775, 2538125, 5583875, 27919375]

約数ペア:

[(1, 27919375), (5, 5583875), (11, 2538125), (25, 1116775), (31, 900625), (55, 507625), (125, 223355), (131, 213125), (155, 180125), (275, 101525), (341, 81875), (625, 44671), (655, 42625), (775, 36025), (1375, 20305), (1441, 19375), (1705, 16375), (3275, 8525), (3875, 7205), (4061, 6875)]