42956487

素因数分解:

$3^4\times 7^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:242

約数の個数: 60

約数和(自身を含む): 76142880

約数和(自身を除く): 33186393

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 79, 81, 137, 147, 189, 237, 411, 441, 553, 567, 711, 959, 1233, 1323, 1659, 2133, 2877, 3699, 3871, 3969, 4977, 6399, 6713, 8631, 10823, 11097, 11613, 14931, 20139, 25893, 32469, 34839, 44793, 60417, 75761, 77679, 97407, 104517, 181251, 227283, 292221, 313551, 530327, 543753, 681849, 876663, 1590981, 2045547, 4772943, 6136641, 14318829, 42956487]

約数ペア:

[(1, 42956487), (3, 14318829), (7, 6136641), (9, 4772943), (21, 2045547), (27, 1590981), (49, 876663), (63, 681849), (79, 543753), (81, 530327), (137, 313551), (147, 292221), (189, 227283), (237, 181251), (411, 104517), (441, 97407), (553, 77679), (567, 75761), (711, 60417), (959, 44793), (1233, 34839), (1323, 32469), (1659, 25893), (2133, 20139), (2877, 14931), (3699, 11613), (3871, 11097), (3969, 10823), (4977, 8631), (6399, 6713)]