289222731

素因数分解:

$3^6\times 7^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 84

約数和(自身を含む): 526371312

約数和(自身を除く): 237148581

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 157, 171, 189, 243, 361, 399, 471, 513, 567, 729, 1083, 1099, 1197, 1413, 1539, 1701, 2527, 2983, 3249, 3297, 3591, 4239, 4617, 5103, 7581, 8949, 9747, 9891, 10773, 12717, 13851, 20881, 22743, 26847, 29241, 29673, 32319, 38151, 56677, 62643, 68229, 80541, 87723, 89019, 96957, 114453, 170031, 187929, 204687, 241623, 263169, 267057, 396739, 510093, 563787, 614061, 724869, 801171, 1190217, 1530279, 1691361, 1842183, 2174607, 3570651, 4590837, 5074083, 10711953, 13772511, 15222249, 32135859, 41317533, 96407577, 289222731]

約数ペア:

[(1, 289222731), (3, 96407577), (7, 41317533), (9, 32135859), (19, 15222249), (21, 13772511), (27, 10711953), (57, 5074083), (63, 4590837), (81, 3570651), (133, 2174607), (157, 1842183), (171, 1691361), (189, 1530279), (243, 1190217), (361, 801171), (399, 724869), (471, 614061), (513, 563787), (567, 510093), (729, 396739), (1083, 267057), (1099, 263169), (1197, 241623), (1413, 204687), (1539, 187929), (1701, 170031), (2527, 114453), (2983, 96957), (3249, 89019), (3297, 87723), (3591, 80541), (4239, 68229), (4617, 62643), (5103, 56677), (7581, 38151), (8949, 32319), (9747, 29673), (9891, 29241), (10773, 26847), (12717, 22743), (13851, 20881)]