87874677

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 152705280

約数和(自身を除く): 64830603

約数列:

[1, 3, 9, 11, 19, 31, 33, 57, 93, 99, 121, 137, 171, 209, 279, 341, 363, 411, 589, 627, 1023, 1089, 1233, 1507, 1767, 1881, 2299, 2603, 3069, 3751, 4247, 4521, 5301, 6479, 6897, 7809, 11253, 12741, 13563, 16577, 19437, 20691, 23427, 28633, 33759, 38223, 46717, 49731, 58311, 71269, 80693, 85899, 140151, 149193, 213807, 242079, 257697, 314963, 420453, 513887, 641421, 726237, 887623, 944889, 1541661, 2662869, 2834667, 4624983, 7988607, 9763853, 29291559, 87874677]

約数ペア:

[(1, 87874677), (3, 29291559), (9, 9763853), (11, 7988607), (19, 4624983), (31, 2834667), (33, 2662869), (57, 1541661), (93, 944889), (99, 887623), (121, 726237), (137, 641421), (171, 513887), (209, 420453), (279, 314963), (341, 257697), (363, 242079), (411, 213807), (589, 149193), (627, 140151), (1023, 85899), (1089, 80693), (1233, 71269), (1507, 58311), (1767, 49731), (1881, 46717), (2299, 38223), (2603, 33759), (3069, 28633), (3751, 23427), (4247, 20691), (4521, 19437), (5301, 16577), (6479, 13563), (6897, 12741), (7809, 11253)]