25223805

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1099

約数の個数: 40

約数和(自身を含む): 46002264

約数和(自身を除く): 20778459

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1021, 1647, 2745, 3063, 4941, 5105, 8235, 9189, 15315, 24705, 27567, 45945, 62281, 82701, 137835, 186843, 311405, 413505, 560529, 934215, 1681587, 2802645, 5044761, 8407935, 25223805]

約数ペア:

[(1, 25223805), (3, 8407935), (5, 5044761), (9, 2802645), (15, 1681587), (27, 934215), (45, 560529), (61, 413505), (81, 311405), (135, 186843), (183, 137835), (305, 82701), (405, 62281), (549, 45945), (915, 27567), (1021, 24705), (1647, 15315), (2745, 9189), (3063, 8235), (4941, 5105)]