82661775

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 161489664

約数和(自身を除く): 78827889

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 83, 105, 147, 175, 245, 249, 271, 415, 525, 581, 735, 813, 1225, 1245, 1355, 1743, 1897, 2075, 2905, 3675, 4065, 4067, 5691, 6225, 6775, 8715, 9485, 12201, 13279, 14525, 20325, 20335, 22493, 28455, 39837, 43575, 47425, 61005, 66395, 67479, 101675, 112465, 142275, 157451, 199185, 305025, 331975, 337395, 472353, 562325, 787255, 995925, 1102157, 1686975, 2361765, 3306471, 3936275, 5510785, 11808825, 16532355, 27553925, 82661775]

約数ペア:

[(1, 82661775), (3, 27553925), (5, 16532355), (7, 11808825), (15, 5510785), (21, 3936275), (25, 3306471), (35, 2361765), (49, 1686975), (75, 1102157), (83, 995925), (105, 787255), (147, 562325), (175, 472353), (245, 337395), (249, 331975), (271, 305025), (415, 199185), (525, 157451), (581, 142275), (735, 112465), (813, 101675), (1225, 67479), (1245, 66395), (1355, 61005), (1743, 47425), (1897, 43575), (2075, 39837), (2905, 28455), (3675, 22493), (4065, 20335), (4067, 20325), (5691, 14525), (6225, 13279), (6775, 12201), (8715, 9485)]