313551

素因数分解:

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

素因数の和:105

約数の個数: 30

約数和(自身を含む): 551760

約数和(自身を除く): 238209

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 79, 81, 147, 189, 237, 441, 553, 567, 711, 1323, 1659, 2133, 3871, 3969, 4977, 6399, 11613, 14931, 34839, 44793, 104517, 313551]

約数ペア:

[(1, 313551), (3, 104517), (7, 44793), (9, 34839), (21, 14931), (27, 11613), (49, 6399), (63, 4977), (79, 3969), (81, 3871), (147, 2133), (189, 1659), (237, 1323), (441, 711), (553, 567)]