1225121569

素因数分解:

$7^3\times {\mathrm{1259}}^1\times {\mathrm{2837}}^1$

素因数の和:4117

約数の個数: 16

約数和(自身を含む): 1430352000

約数和(自身を除く): 205230431

約数列:

[1, 7, 49, 343, 1259, 2837, 8813, 19859, 61691, 139013, 431837, 973091, 3571783, 25002481, 175017367, 1225121569]

約数ペア:

[(1, 1225121569), (7, 175017367), (49, 25002481), (343, 3571783), (1259, 973091), (2837, 431837), (8813, 139013), (19859, 61691)]