38158407

素因数分解:

$3^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 65894400

約数和(自身を除く): 27735993

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 263, 329, 343, 423, 441, 789, 987, 1029, 1841, 2303, 2367, 2961, 3087, 5523, 6909, 12361, 12887, 16121, 16569, 20727, 37083, 38661, 48363, 86527, 90209, 111249, 115983, 145089, 259581, 270627, 605689, 778743, 811881, 1817067, 4239823, 5451201, 12719469, 38158407]

約数ペア:

[(1, 38158407), (3, 12719469), (7, 5451201), (9, 4239823), (21, 1817067), (47, 811881), (49, 778743), (63, 605689), (141, 270627), (147, 259581), (263, 145089), (329, 115983), (343, 111249), (423, 90209), (441, 86527), (789, 48363), (987, 38661), (1029, 37083), (1841, 20727), (2303, 16569), (2367, 16121), (2961, 12887), (3087, 12361), (5523, 6909)]