81469773

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 152064000

約数和(自身を除く): 70594227

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 149, 189, 231, 263, 297, 447, 693, 789, 1043, 1341, 1639, 1841, 2079, 2367, 2893, 3129, 4023, 4917, 5523, 7101, 8679, 9387, 11473, 14751, 16569, 20251, 26037, 28161, 34419, 39187, 44253, 49707, 60753, 78111, 103257, 117561, 182259, 274309, 309771, 352683, 431057, 546777, 822927, 1058049, 1293171, 2468781, 3017399, 3879513, 7406343, 9052197, 11638539, 27156591, 81469773]

約数ペア:

[(1, 81469773), (3, 27156591), (7, 11638539), (9, 9052197), (11, 7406343), (21, 3879513), (27, 3017399), (33, 2468781), (63, 1293171), (77, 1058049), (99, 822927), (149, 546777), (189, 431057), (231, 352683), (263, 309771), (297, 274309), (447, 182259), (693, 117561), (789, 103257), (1043, 78111), (1341, 60753), (1639, 49707), (1841, 44253), (2079, 39187), (2367, 34419), (2893, 28161), (3129, 26037), (4023, 20251), (4917, 16569), (5523, 14751), (7101, 11473), (8679, 9387)]