520488549

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1\times {\mathrm{821}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 892494720

約数和(自身を除く): 372006171

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 347, 609, 821, 1041, 1827, 2429, 2463, 3123, 5747, 7287, 7389, 10063, 17241, 21861, 23809, 30189, 51723, 70441, 71427, 90567, 166663, 211323, 214281, 284887, 499989, 633969, 854661, 1499967, 1994209, 2563983, 5982627, 8261723, 17947881, 24785169, 57832061, 74355507, 173496183, 520488549]

約数ペア:

[(1, 520488549), (3, 173496183), (7, 74355507), (9, 57832061), (21, 24785169), (29, 17947881), (63, 8261723), (87, 5982627), (203, 2563983), (261, 1994209), (347, 1499967), (609, 854661), (821, 633969), (1041, 499989), (1827, 284887), (2429, 214281), (2463, 211323), (3123, 166663), (5747, 90567), (7287, 71427), (7389, 70441), (10063, 51723), (17241, 30189), (21861, 23809)]