207655959

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{797}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 334010880

約数和(自身を除く): 126354921

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 653, 797, 1959, 2391, 4571, 5579, 12407, 13713, 15143, 16737, 37221, 45429, 86849, 106001, 260547, 318003, 520441, 1561323, 3643087, 9888379, 10929261, 29665137, 69218653, 207655959]

約数ペア:

[(1, 207655959), (3, 69218653), (7, 29665137), (19, 10929261), (21, 9888379), (57, 3643087), (133, 1561323), (399, 520441), (653, 318003), (797, 260547), (1959, 106001), (2391, 86849), (4571, 45429), (5579, 37221), (12407, 16737), (13713, 15143)]