28338093

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 80

約数和(自身を含む): 52690176

約数和(自身を除く): 24352083

約数列:

[1, 3, 7, 9, 21, 23, 27, 41, 53, 63, 69, 81, 123, 159, 161, 189, 207, 287, 369, 371, 477, 483, 567, 621, 861, 943, 1107, 1113, 1219, 1431, 1449, 1863, 2173, 2583, 2829, 3321, 3339, 3657, 4293, 4347, 6519, 6601, 7749, 8487, 8533, 10017, 10971, 13041, 15211, 19557, 19803, 23247, 25461, 25599, 30051, 32913, 45633, 49979, 58671, 59409, 76383, 76797, 98739, 136899, 149937, 176013, 178227, 230391, 349853, 410697, 449811, 534681, 691173, 1049559, 1232091, 1349433, 3148677, 4048299, 9446031, 28338093]

約数ペア:

[(1, 28338093), (3, 9446031), (7, 4048299), (9, 3148677), (21, 1349433), (23, 1232091), (27, 1049559), (41, 691173), (53, 534681), (63, 449811), (69, 410697), (81, 349853), (123, 230391), (159, 178227), (161, 176013), (189, 149937), (207, 136899), (287, 98739), (369, 76797), (371, 76383), (477, 59409), (483, 58671), (567, 49979), (621, 45633), (861, 32913), (943, 30051), (1107, 25599), (1113, 25461), (1219, 23247), (1431, 19803), (1449, 19557), (1863, 15211), (2173, 13041), (2583, 10971), (2829, 10017), (3321, 8533), (3339, 8487), (3657, 7749), (4293, 6601), (4347, 6519)]