253667505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2239}}^1$

素因数の和:2350

約数の個数: 64

約数和(自身を含む): 505774080

約数和(自身を除く): 252106575

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 83, 91, 105, 195, 249, 273, 415, 455, 581, 1079, 1245, 1365, 1743, 2239, 2905, 3237, 5395, 6717, 7553, 8715, 11195, 15673, 16185, 22659, 29107, 33585, 37765, 47019, 78365, 87321, 113295, 145535, 185837, 203749, 235095, 436605, 557511, 611247, 929185, 1018745, 1300859, 2415881, 2787555, 3056235, 3902577, 6504295, 7247643, 12079405, 16911167, 19512885, 36238215, 50733501, 84555835, 253667505]

約数ペア:

[(1, 253667505), (3, 84555835), (5, 50733501), (7, 36238215), (13, 19512885), (15, 16911167), (21, 12079405), (35, 7247643), (39, 6504295), (65, 3902577), (83, 3056235), (91, 2787555), (105, 2415881), (195, 1300859), (249, 1018745), (273, 929185), (415, 611247), (455, 557511), (581, 436605), (1079, 235095), (1245, 203749), (1365, 185837), (1743, 145535), (2239, 113295), (2905, 87321), (3237, 78365), (5395, 47019), (6717, 37765), (7553, 33585), (8715, 29107), (11195, 22659), (15673, 16185)]