1285687557

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{7333}}^1$

素因数の和:7391

約数の個数: 72

約数和(自身を含む): 2434653312

約数和(自身を除く): 1148965755

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 121, 161, 207, 231, 253, 363, 483, 693, 759, 847, 1089, 1449, 1771, 2277, 2541, 2783, 5313, 7333, 7623, 8349, 15939, 19481, 21999, 25047, 51331, 58443, 65997, 80663, 153993, 168659, 175329, 241989, 461979, 505977, 564641, 725967, 887293, 1180613, 1517931, 1693923, 1855249, 2661879, 3541839, 5081769, 5565747, 6211051, 7985637, 10625517, 12986743, 16697241, 18633153, 20407739, 38960229, 55899459, 61223217, 116880687, 142854173, 183669651, 428562519, 1285687557]

約数ペア:

[(1, 1285687557), (3, 428562519), (7, 183669651), (9, 142854173), (11, 116880687), (21, 61223217), (23, 55899459), (33, 38960229), (63, 20407739), (69, 18633153), (77, 16697241), (99, 12986743), (121, 10625517), (161, 7985637), (207, 6211051), (231, 5565747), (253, 5081769), (363, 3541839), (483, 2661879), (693, 1855249), (759, 1693923), (847, 1517931), (1089, 1180613), (1449, 887293), (1771, 725967), (2277, 564641), (2541, 505977), (2783, 461979), (5313, 241989), (7333, 175329), (7623, 168659), (8349, 153993), (15939, 80663), (19481, 65997), (21999, 58443), (25047, 51331)]