180927957

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 306561024

約数和(自身を除く): 125633067

約数列:

[1, 3, 7, 17, 21, 41, 47, 51, 119, 123, 141, 263, 287, 329, 357, 697, 789, 799, 861, 987, 1841, 1927, 2091, 2397, 4471, 4879, 5523, 5593, 5781, 10783, 12361, 13413, 13489, 14637, 16779, 31297, 32349, 32759, 37083, 40467, 75481, 86527, 93891, 98277, 183311, 210137, 226443, 229313, 259581, 506801, 549933, 630411, 687939, 1283177, 1470959, 1520403, 3547607, 3849531, 4412877, 8615617, 10642821, 25846851, 60309319, 180927957]

約数ペア:

[(1, 180927957), (3, 60309319), (7, 25846851), (17, 10642821), (21, 8615617), (41, 4412877), (47, 3849531), (51, 3547607), (119, 1520403), (123, 1470959), (141, 1283177), (263, 687939), (287, 630411), (329, 549933), (357, 506801), (697, 259581), (789, 229313), (799, 226443), (861, 210137), (987, 183311), (1841, 98277), (1927, 93891), (2091, 86527), (2397, 75481), (4471, 40467), (4879, 37083), (5523, 32759), (5593, 32349), (5781, 31297), (10783, 16779), (12361, 14637), (13413, 13489)]