261796395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{80429}}^1$

素因数の和:80475

約数の個数: 32

約数和(自身を含む): 494161920

約数和(自身を除く): 232365525

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 80429, 241287, 402145, 563003, 1206435, 1689009, 2493299, 2815015, 7479897, 8445045, 12466495, 17453093, 37399485, 52359279, 87265465, 261796395]

約数ペア:

[(1, 261796395), (3, 87265465), (5, 52359279), (7, 37399485), (15, 17453093), (21, 12466495), (31, 8445045), (35, 7479897), (93, 2815015), (105, 2493299), (155, 1689009), (217, 1206435), (465, 563003), (651, 402145), (1085, 241287), (3255, 80429)]