25130007

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 80

約数和(自身を含む): 46835712

約数和(自身を除く): 21705705

約数列:

[1, 3, 7, 9, 21, 23, 27, 41, 47, 63, 69, 81, 123, 141, 161, 189, 207, 287, 329, 369, 423, 483, 567, 621, 861, 943, 987, 1081, 1107, 1269, 1449, 1863, 1927, 2583, 2829, 2961, 3243, 3321, 3807, 4347, 5781, 6601, 7567, 7749, 8487, 8883, 9729, 13041, 13489, 17343, 19803, 22701, 23247, 25461, 26649, 29187, 40467, 44321, 52029, 59409, 68103, 76383, 87561, 121401, 132963, 156087, 178227, 204309, 310247, 364203, 398889, 534681, 612927, 930741, 1092609, 1196667, 2792223, 3590001, 8376669, 25130007]

約数ペア:

[(1, 25130007), (3, 8376669), (7, 3590001), (9, 2792223), (21, 1196667), (23, 1092609), (27, 930741), (41, 612927), (47, 534681), (63, 398889), (69, 364203), (81, 310247), (123, 204309), (141, 178227), (161, 156087), (189, 132963), (207, 121401), (287, 87561), (329, 76383), (369, 68103), (423, 59409), (483, 52029), (567, 44321), (621, 40467), (861, 29187), (943, 26649), (987, 25461), (1081, 23247), (1107, 22701), (1269, 19803), (1449, 17343), (1863, 13489), (1927, 13041), (2583, 9729), (2829, 8883), (2961, 8487), (3243, 7749), (3321, 7567), (3807, 6601), (4347, 5781)]