1638821943

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{7487}}^1$

素因数の和:7585

約数の個数: 48

約数和(自身を含む): 2708858880

約数和(自身を除く): 1070036937

約数列:

[1, 3, 9, 11, 27, 33, 67, 99, 121, 201, 297, 363, 603, 737, 1089, 1809, 2211, 3267, 6633, 7487, 8107, 19899, 22461, 24321, 67383, 72963, 82357, 202149, 218889, 247071, 501629, 741213, 905927, 1504887, 2223639, 2717781, 4514661, 5517919, 8153343, 13543983, 16553757, 24460029, 49661271, 60697109, 148983813, 182091327, 546273981, 1638821943]

約数ペア:

[(1, 1638821943), (3, 546273981), (9, 182091327), (11, 148983813), (27, 60697109), (33, 49661271), (67, 24460029), (99, 16553757), (121, 13543983), (201, 8153343), (297, 5517919), (363, 4514661), (603, 2717781), (737, 2223639), (1089, 1504887), (1809, 905927), (2211, 741213), (3267, 501629), (6633, 247071), (7487, 218889), (8107, 202149), (19899, 82357), (22461, 72963), (24321, 67383)]