30903957

素因数分解:

$3^3\times 7^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 24392043

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 71, 141, 147, 189, 213, 329, 343, 423, 441, 497, 639, 987, 1029, 1269, 1323, 1491, 1917, 2303, 2961, 3087, 3337, 3479, 4473, 6909, 8883, 9261, 10011, 10437, 13419, 16121, 20727, 23359, 24353, 30033, 31311, 48363, 62181, 70077, 73059, 90099, 93933, 145089, 163513, 210231, 219177, 435267, 490539, 630693, 657531, 1144591, 1471617, 3433773, 4414851, 10301319, 30903957]

約数ペア:

[(1, 30903957), (3, 10301319), (7, 4414851), (9, 3433773), (21, 1471617), (27, 1144591), (47, 657531), (49, 630693), (63, 490539), (71, 435267), (141, 219177), (147, 210231), (189, 163513), (213, 145089), (329, 93933), (343, 90099), (423, 73059), (441, 70077), (497, 62181), (639, 48363), (987, 31311), (1029, 30033), (1269, 24353), (1323, 23359), (1491, 20727), (1917, 16121), (2303, 13419), (2961, 10437), (3087, 10011), (3337, 9261), (3479, 8883), (4473, 6909)]