81465678

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{28111}}^1$

素因数の和:28149

約数の個数: 48

約数和(自身を含む): 210502656

約数和(自身を除く): 129036978

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 28111, 56222, 84333, 168666, 196777, 252999, 393554, 505998, 590331, 646553, 1180662, 1293106, 1770993, 1939659, 3541986, 3879318, 4525871, 5818977, 9051742, 11637954, 13577613, 27155226, 40732839, 81465678]

約数ペア:

[(1, 81465678), (2, 40732839), (3, 27155226), (6, 13577613), (7, 11637954), (9, 9051742), (14, 5818977), (18, 4525871), (21, 3879318), (23, 3541986), (42, 1939659), (46, 1770993), (63, 1293106), (69, 1180662), (126, 646553), (138, 590331), (161, 505998), (207, 393554), (322, 252999), (414, 196777), (483, 168666), (966, 84333), (1449, 56222), (2898, 28111)]