25200045

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 49109760

約数和(自身を除く): 23909715

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 83, 117, 135, 173, 195, 249, 351, 415, 519, 585, 747, 865, 1079, 1245, 1557, 1755, 2241, 2249, 2595, 3237, 3735, 4671, 5395, 6747, 7785, 9711, 11205, 11245, 14359, 16185, 20241, 23355, 29133, 33735, 43077, 48555, 60723, 71795, 101205, 129231, 145665, 186667, 215385, 303615, 387693, 560001, 646155, 933335, 1680003, 1938465, 2800005, 5040009, 8400015, 25200045]

約数ペア:

[(1, 25200045), (3, 8400015), (5, 5040009), (9, 2800005), (13, 1938465), (15, 1680003), (27, 933335), (39, 646155), (45, 560001), (65, 387693), (83, 303615), (117, 215385), (135, 186667), (173, 145665), (195, 129231), (249, 101205), (351, 71795), (415, 60723), (519, 48555), (585, 43077), (747, 33735), (865, 29133), (1079, 23355), (1245, 20241), (1557, 16185), (1755, 14359), (2241, 11245), (2249, 11205), (2595, 9711), (3237, 7785), (3735, 6747), (4671, 5395)]