2800005

素因数分解:

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

素因数の和:277

約数の個数: 32

約数和(自身を含む): 4910976

約数和(自身を除く): 2110971

約数列:

[1, 3, 5, 13, 15, 39, 65, 83, 173, 195, 249, 415, 519, 865, 1079, 1245, 2249, 2595, 3237, 5395, 6747, 11245, 14359, 16185, 33735, 43077, 71795, 186667, 215385, 560001, 933335, 2800005]

約数ペア:

[(1, 2800005), (3, 933335), (5, 560001), (13, 215385), (15, 186667), (39, 71795), (65, 43077), (83, 33735), (173, 16185), (195, 14359), (249, 11245), (415, 6747), (519, 5395), (865, 3237), (1079, 2595), (1245, 2249)]