2987775

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{271}}^1$

素因数の和:301

約数の個数: 54

約数和(自身を含む): 6248112

約数和(自身を除く): 3260337

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 271, 315, 441, 525, 735, 813, 1225, 1355, 1575, 1897, 2205, 2439, 3675, 4065, 5691, 6775, 9485, 11025, 12195, 13279, 17073, 20325, 28455, 39837, 47425, 60975, 66395, 85365, 119511, 142275, 199185, 331975, 426825, 597555, 995925, 2987775]

約数ペア:

[(1, 2987775), (3, 995925), (5, 597555), (7, 426825), (9, 331975), (15, 199185), (21, 142275), (25, 119511), (35, 85365), (45, 66395), (49, 60975), (63, 47425), (75, 39837), (105, 28455), (147, 20325), (175, 17073), (225, 13279), (245, 12195), (271, 11025), (315, 9485), (441, 6775), (525, 5691), (735, 4065), (813, 3675), (1225, 2439), (1355, 2205), (1575, 1897)]