81551169

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{2447}}^1$

素因数の和:2506

約数の個数: 36

約数和(自身を含む): 140789376

約数和(自身を除く): 59238207

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 529, 1449, 1587, 2447, 3703, 4761, 7341, 11109, 17129, 22023, 33327, 51387, 56281, 154161, 168843, 393967, 506529, 1181901, 1294463, 3545703, 3883389, 9061241, 11650167, 27183723, 81551169]

約数ペア:

[(1, 81551169), (3, 27183723), (7, 11650167), (9, 9061241), (21, 3883389), (23, 3545703), (63, 1294463), (69, 1181901), (161, 506529), (207, 393967), (483, 168843), (529, 154161), (1449, 56281), (1587, 51387), (2447, 33327), (3703, 22023), (4761, 17129), (7341, 11109)]