647510547

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{727}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 912830464

約数和(自身を除く): 265319917

約数列:

[1, 3, 31, 61, 93, 157, 183, 471, 727, 1891, 2181, 4867, 5673, 9577, 14601, 22537, 28731, 44347, 67611, 114139, 133041, 296887, 342417, 890661, 1374757, 3538309, 4124271, 6962479, 10614927, 20887437, 215836849, 647510547]

約数ペア:

[(1, 647510547), (3, 215836849), (31, 20887437), (61, 10614927), (93, 6962479), (157, 4124271), (183, 3538309), (471, 1374757), (727, 890661), (1891, 342417), (2181, 296887), (4867, 133041), (5673, 114139), (9577, 67611), (14601, 44347), (22537, 28731)]