30988251

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:134

約数の個数: 80

約数和(自身を含む): 57243648

約数和(自身を除く): 26255397

約数列:

[1, 3, 7, 9, 21, 27, 31, 41, 43, 63, 81, 93, 123, 129, 189, 217, 279, 287, 301, 369, 387, 567, 651, 837, 861, 903, 1107, 1161, 1271, 1333, 1763, 1953, 2511, 2583, 2709, 3321, 3483, 3813, 3999, 5289, 5859, 7749, 8127, 8897, 9331, 11439, 11997, 12341, 15867, 17577, 23247, 24381, 26691, 27993, 34317, 35991, 37023, 47601, 54653, 80073, 83979, 102951, 107973, 111069, 142803, 163959, 240219, 251937, 333207, 382571, 491877, 720657, 755811, 999621, 1147713, 1475631, 3443139, 4426893, 10329417, 30988251]

約数ペア:

[(1, 30988251), (3, 10329417), (7, 4426893), (9, 3443139), (21, 1475631), (27, 1147713), (31, 999621), (41, 755811), (43, 720657), (63, 491877), (81, 382571), (93, 333207), (123, 251937), (129, 240219), (189, 163959), (217, 142803), (279, 111069), (287, 107973), (301, 102951), (369, 83979), (387, 80073), (567, 54653), (651, 47601), (837, 37023), (861, 35991), (903, 34317), (1107, 27993), (1161, 26691), (1271, 24381), (1333, 23247), (1763, 17577), (1953, 15867), (2511, 12341), (2583, 11997), (2709, 11439), (3321, 9331), (3483, 8897), (3813, 8127), (3999, 7749), (5289, 5859)]