6921990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 19077120

約数和(自身を除く): 12155130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 827, 837, 930, 1395, 1654, 1674, 2481, 2790, 4135, 4185, 4962, 7443, 8270, 8370, 12405, 14886, 22329, 24810, 25637, 37215, 44658, 51274, 74430, 76911, 111645, 128185, 153822, 223290, 230733, 256370, 384555, 461466, 692199, 769110, 1153665, 1384398, 2307330, 3460995, 6921990]

約数ペア:

[(1, 6921990), (2, 3460995), (3, 2307330), (5, 1384398), (6, 1153665), (9, 769110), (10, 692199), (15, 461466), (18, 384555), (27, 256370), (30, 230733), (31, 223290), (45, 153822), (54, 128185), (62, 111645), (90, 76911), (93, 74430), (135, 51274), (155, 44658), (186, 37215), (270, 25637), (279, 24810), (310, 22329), (465, 14886), (558, 12405), (827, 8370), (837, 8270), (930, 7443), (1395, 4962), (1654, 4185), (1674, 4135), (2481, 2790)]