2180995257

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 3506503680

約数和(自身を除く): 1325508423

約数列:

[1, 3, 7, 21, 29, 87, 127, 163, 173, 203, 381, 489, 519, 609, 889, 1141, 1211, 2667, 3423, 3633, 3683, 4727, 5017, 11049, 14181, 15051, 20701, 21971, 25781, 28199, 33089, 35119, 62103, 65913, 77343, 84597, 99267, 105357, 144907, 153797, 197393, 434721, 461391, 592179, 600329, 637159, 817771, 1800987, 1911477, 2453313, 3581273, 4202303, 4460113, 5724397, 10743819, 12606909, 13380339, 17173191, 25068911, 75206733, 103856917, 311570751, 726998419, 2180995257]

約数ペア:

[(1, 2180995257), (3, 726998419), (7, 311570751), (21, 103856917), (29, 75206733), (87, 25068911), (127, 17173191), (163, 13380339), (173, 12606909), (203, 10743819), (381, 5724397), (489, 4460113), (519, 4202303), (609, 3581273), (889, 2453313), (1141, 1911477), (1211, 1800987), (2667, 817771), (3423, 637159), (3633, 600329), (3683, 592179), (4727, 461391), (5017, 434721), (11049, 197393), (14181, 153797), (15051, 144907), (20701, 105357), (21971, 99267), (25781, 84597), (28199, 77343), (33089, 65913), (35119, 62103)]