172319931

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 292294080

約数和(自身を除く): 119974149

約数列:

[1, 3, 7, 9, 21, 63, 73, 89, 219, 267, 421, 511, 623, 657, 801, 1263, 1533, 1869, 2947, 3789, 4599, 5607, 6497, 8841, 19491, 26523, 30733, 37469, 45479, 58473, 92199, 112407, 136437, 215131, 262283, 276597, 337221, 409311, 645393, 786849, 1936179, 2360547, 2735237, 8205711, 19146659, 24617133, 57439977, 172319931]

約数ペア:

[(1, 172319931), (3, 57439977), (7, 24617133), (9, 19146659), (21, 8205711), (63, 2735237), (73, 2360547), (89, 1936179), (219, 786849), (267, 645393), (421, 409311), (511, 337221), (623, 276597), (657, 262283), (801, 215131), (1263, 136437), (1533, 112407), (1869, 92199), (2947, 58473), (3789, 45479), (4599, 37469), (5607, 30733), (6497, 26523), (8841, 19491)]