77187978

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{2521}}^1$

素因数の和:2551

約数の個数: 64

約数和(自身を含む): 198531840

約数和(自身を除く): 121343862

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 729, 1134, 1458, 1701, 2187, 2521, 3402, 4374, 5042, 5103, 7563, 10206, 15126, 15309, 17647, 22689, 30618, 35294, 45378, 52941, 68067, 105882, 136134, 158823, 204201, 317646, 408402, 476469, 612603, 952938, 1225206, 1429407, 1837809, 2858814, 3675618, 4288221, 5513427, 8576442, 11026854, 12864663, 25729326, 38593989, 77187978]

約数ペア:

[(1, 77187978), (2, 38593989), (3, 25729326), (6, 12864663), (7, 11026854), (9, 8576442), (14, 5513427), (18, 4288221), (21, 3675618), (27, 2858814), (42, 1837809), (54, 1429407), (63, 1225206), (81, 952938), (126, 612603), (162, 476469), (189, 408402), (243, 317646), (378, 204201), (486, 158823), (567, 136134), (729, 105882), (1134, 68067), (1458, 52941), (1701, 45378), (2187, 35294), (2521, 30618), (3402, 22689), (4374, 17647), (5042, 15309), (5103, 15126), (7563, 10206)]