31301919

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 52565760

約数和(自身を除く): 21263841

約数列:

[1, 3, 9, 11, 23, 33, 59, 69, 99, 177, 207, 233, 253, 531, 649, 699, 759, 1357, 1947, 2097, 2277, 2563, 4071, 5359, 5841, 7689, 12213, 13747, 14927, 16077, 23067, 41241, 44781, 48231, 58949, 123723, 134343, 151217, 176847, 316181, 453651, 530541, 948543, 1360953, 2845629, 3477991, 10433973, 31301919]

約数ペア:

[(1, 31301919), (3, 10433973), (9, 3477991), (11, 2845629), (23, 1360953), (33, 948543), (59, 530541), (69, 453651), (99, 316181), (177, 176847), (207, 151217), (233, 134343), (253, 123723), (531, 58949), (649, 48231), (699, 44781), (759, 41241), (1357, 23067), (1947, 16077), (2097, 14927), (2277, 13747), (2563, 12213), (4071, 7689), (5359, 5841)]