25243245

素因数分解:

$3^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:571

約数の個数: 40

約数和(自身を含む): 45653784

約数和(自身を除く): 20410539

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 157, 397, 405, 471, 785, 1191, 1413, 1985, 2355, 3573, 4239, 5955, 7065, 10719, 12717, 17865, 21195, 32157, 53595, 62329, 63585, 160785, 186987, 311645, 560961, 934935, 1682883, 2804805, 5048649, 8414415, 25243245]

約数ペア:

[(1, 25243245), (3, 8414415), (5, 5048649), (9, 2804805), (15, 1682883), (27, 934935), (45, 560961), (81, 311645), (135, 186987), (157, 160785), (397, 63585), (405, 62329), (471, 53595), (785, 32157), (1191, 21195), (1413, 17865), (1985, 12717), (2355, 10719), (3573, 7065), (4239, 5955)]