71871723

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2803}}^1$

素因数の和:2864

約数の個数: 48

約数和(自身を含む): 132976896

約数和(自身を除く): 61105173

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 99, 111, 231, 259, 333, 407, 693, 777, 1221, 2331, 2803, 2849, 3663, 8409, 8547, 19621, 25227, 25641, 30833, 58863, 92499, 103711, 176589, 215831, 277497, 311133, 647493, 725977, 933399, 1140821, 1942479, 2177931, 3422463, 6533793, 7985747, 10267389, 23957241, 71871723]

約数ペア:

[(1, 71871723), (3, 23957241), (7, 10267389), (9, 7985747), (11, 6533793), (21, 3422463), (33, 2177931), (37, 1942479), (63, 1140821), (77, 933399), (99, 725977), (111, 647493), (231, 311133), (259, 277497), (333, 215831), (407, 176589), (693, 103711), (777, 92499), (1221, 58863), (2331, 30833), (2803, 25641), (2849, 25227), (3663, 19621), (8409, 8547)]