30915801

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 53374464

約数和(自身を除く): 22458663

約数列:

[1, 3, 7, 9, 21, 47, 53, 63, 141, 159, 197, 329, 371, 423, 477, 591, 987, 1113, 1379, 1773, 2491, 2961, 3339, 4137, 7473, 9259, 10441, 12411, 17437, 22419, 27777, 31323, 52311, 64813, 73087, 83331, 93969, 156933, 194439, 219261, 490727, 583317, 657783, 1472181, 3435089, 4416543, 10305267, 30915801]

約数ペア:

[(1, 30915801), (3, 10305267), (7, 4416543), (9, 3435089), (21, 1472181), (47, 657783), (53, 583317), (63, 490727), (141, 219261), (159, 194439), (197, 156933), (329, 93969), (371, 83331), (423, 73087), (477, 64813), (591, 52311), (987, 31323), (1113, 27777), (1379, 22419), (1773, 17437), (2491, 12411), (2961, 10441), (3339, 9259), (4137, 7473)]