279331395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 525035520

約数和(自身を除く): 245704125

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 89, 105, 213, 267, 355, 421, 445, 497, 623, 1065, 1263, 1335, 1491, 1869, 2105, 2485, 2947, 3115, 6315, 6319, 7455, 8841, 9345, 14735, 18957, 29891, 31595, 37469, 44205, 44233, 89673, 94785, 112407, 132699, 149455, 187345, 209237, 221165, 262283, 448365, 562035, 627711, 663495, 786849, 1046185, 1311415, 2660299, 3138555, 3934245, 7980897, 13301495, 18622093, 39904485, 55866279, 93110465, 279331395]

約数ペア:

[(1, 279331395), (3, 93110465), (5, 55866279), (7, 39904485), (15, 18622093), (21, 13301495), (35, 7980897), (71, 3934245), (89, 3138555), (105, 2660299), (213, 1311415), (267, 1046185), (355, 786849), (421, 663495), (445, 627711), (497, 562035), (623, 448365), (1065, 262283), (1263, 221165), (1335, 209237), (1491, 187345), (1869, 149455), (2105, 132699), (2485, 112407), (2947, 94785), (3115, 89673), (6315, 44233), (6319, 44205), (7455, 37469), (8841, 31595), (9345, 29891), (14735, 18957)]