919975329

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{1217}}^1$

素因数の和:1327

約数の個数: 72

約数和(自身を含む): 1669030272

約数和(自身を除く): 749054943

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 71, 91, 117, 169, 213, 273, 497, 507, 639, 819, 923, 1183, 1217, 1491, 1521, 2769, 3549, 3651, 4473, 6461, 8307, 8519, 10647, 10953, 11999, 15821, 19383, 25557, 35997, 47463, 58149, 76671, 83993, 86407, 107991, 110747, 142389, 205673, 251979, 259221, 332241, 604849, 617019, 755937, 777663, 996723, 1123291, 1439711, 1814547, 1851057, 3369873, 4319133, 5443641, 7863037, 10109619, 12957399, 14602783, 23589111, 43808349, 70767333, 102219481, 131425047, 306658443, 919975329]

約数ペア:

[(1, 919975329), (3, 306658443), (7, 131425047), (9, 102219481), (13, 70767333), (21, 43808349), (39, 23589111), (63, 14602783), (71, 12957399), (91, 10109619), (117, 7863037), (169, 5443641), (213, 4319133), (273, 3369873), (497, 1851057), (507, 1814547), (639, 1439711), (819, 1123291), (923, 996723), (1183, 777663), (1217, 755937), (1491, 617019), (1521, 604849), (2769, 332241), (3549, 259221), (3651, 251979), (4473, 205673), (6461, 142389), (8307, 110747), (8519, 107991), (10647, 86407), (10953, 83993), (11999, 76671), (15821, 58149), (19383, 47463), (25557, 35997)]