9901983

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 18063360

約数和(自身を除く): 8161377

約数列:

[1, 3, 7, 13, 19, 21, 23, 39, 57, 69, 83, 91, 133, 161, 247, 249, 273, 299, 399, 437, 483, 581, 741, 897, 1079, 1311, 1577, 1729, 1743, 1909, 2093, 3059, 3237, 4731, 5187, 5681, 5727, 6279, 7553, 9177, 11039, 13363, 17043, 20501, 22659, 24817, 33117, 36271, 39767, 40089, 61503, 74451, 108813, 119301, 143507, 173719, 253897, 430521, 471523, 521157, 761691, 1414569, 3300661, 9901983]

約数ペア:

[(1, 9901983), (3, 3300661), (7, 1414569), (13, 761691), (19, 521157), (21, 471523), (23, 430521), (39, 253897), (57, 173719), (69, 143507), (83, 119301), (91, 108813), (133, 74451), (161, 61503), (247, 40089), (249, 39767), (273, 36271), (299, 33117), (399, 24817), (437, 22659), (483, 20501), (581, 17043), (741, 13363), (897, 11039), (1079, 9177), (1311, 7553), (1577, 6279), (1729, 5727), (1743, 5681), (1909, 5187), (2093, 4731), (3059, 3237)]