6856551261

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{2663}}^1$

素因数の和:2940

約数の個数: 80

約数和(自身を含む): 12378009600

約数和(自身を除く): 5521458339

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 239, 399, 513, 567, 717, 1197, 1539, 1673, 2151, 2663, 3591, 4541, 5019, 6453, 7989, 10773, 13623, 15057, 18641, 19359, 23967, 31787, 40869, 45171, 50597, 55923, 71901, 95361, 122607, 135513, 151791, 167769, 215703, 286083, 354179, 367821, 455373, 503307, 636457, 858249, 1062537, 1366119, 1509921, 1909371, 2574747, 3187611, 4098357, 4455199, 5728113, 9562833, 12092683, 13365597, 17184339, 28688499, 36278049, 40096791, 51553017, 84648781, 108834147, 120290373, 253946343, 326502441, 360871119, 761839029, 979507323, 2285517087, 6856551261]

約数ペア:

[(1, 6856551261), (3, 2285517087), (7, 979507323), (9, 761839029), (19, 360871119), (21, 326502441), (27, 253946343), (57, 120290373), (63, 108834147), (81, 84648781), (133, 51553017), (171, 40096791), (189, 36278049), (239, 28688499), (399, 17184339), (513, 13365597), (567, 12092683), (717, 9562833), (1197, 5728113), (1539, 4455199), (1673, 4098357), (2151, 3187611), (2663, 2574747), (3591, 1909371), (4541, 1509921), (5019, 1366119), (6453, 1062537), (7989, 858249), (10773, 636457), (13623, 503307), (15057, 455373), (18641, 367821), (19359, 354179), (23967, 286083), (31787, 215703), (40869, 167769), (45171, 151791), (50597, 135513), (55923, 122607), (71901, 95361)]