81215484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 228458496

約数和(自身を除く): 147243012

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 127, 138, 161, 254, 276, 322, 331, 381, 483, 508, 644, 662, 762, 889, 966, 993, 1324, 1524, 1778, 1932, 1986, 2317, 2667, 2921, 3556, 3972, 4634, 5334, 5842, 6951, 7613, 8763, 9268, 10668, 11684, 13902, 15226, 17526, 20447, 22839, 27804, 30452, 35052, 40894, 42037, 45678, 53291, 61341, 81788, 84074, 91356, 106582, 122682, 126111, 159873, 168148, 213164, 245364, 252222, 294259, 319746, 504444, 588518, 639492, 882777, 966851, 1177036, 1765554, 1933702, 2900553, 3531108, 3867404, 5801106, 6767957, 11602212, 13535914, 20303871, 27071828, 40607742, 81215484]

約数ペア:

[(1, 81215484), (2, 40607742), (3, 27071828), (4, 20303871), (6, 13535914), (7, 11602212), (12, 6767957), (14, 5801106), (21, 3867404), (23, 3531108), (28, 2900553), (42, 1933702), (46, 1765554), (69, 1177036), (84, 966851), (92, 882777), (127, 639492), (138, 588518), (161, 504444), (254, 319746), (276, 294259), (322, 252222), (331, 245364), (381, 213164), (483, 168148), (508, 159873), (644, 126111), (662, 122682), (762, 106582), (889, 91356), (966, 84074), (993, 81788), (1324, 61341), (1524, 53291), (1778, 45678), (1932, 42037), (1986, 40894), (2317, 35052), (2667, 30452), (2921, 27804), (3556, 22839), (3972, 20447), (4634, 17526), (5334, 15226), (5842, 13902), (6951, 11684), (7613, 10668), (8763, 9268)]