81181674

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:404

約数の個数: 96

約数和(自身を含む): 212509440

約数和(自身を除く): 131327766

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 109, 126, 138, 161, 207, 218, 257, 322, 327, 414, 483, 514, 654, 763, 771, 966, 981, 1449, 1526, 1542, 1799, 1962, 2289, 2313, 2507, 2898, 3598, 4578, 4626, 5014, 5397, 5911, 6867, 7521, 10794, 11822, 13734, 15042, 16191, 17549, 17733, 22563, 28013, 32382, 35098, 35466, 41377, 45126, 52647, 53199, 56026, 82754, 84039, 105294, 106398, 124131, 157941, 168078, 196091, 248262, 252117, 315882, 372393, 392182, 504234, 588273, 644299, 744786, 1176546, 1288598, 1764819, 1932897, 3529638, 3865794, 4510093, 5798691, 9020186, 11597382, 13530279, 27060558, 40590837, 81181674]

約数ペア:

[(1, 81181674), (2, 40590837), (3, 27060558), (6, 13530279), (7, 11597382), (9, 9020186), (14, 5798691), (18, 4510093), (21, 3865794), (23, 3529638), (42, 1932897), (46, 1764819), (63, 1288598), (69, 1176546), (109, 744786), (126, 644299), (138, 588273), (161, 504234), (207, 392182), (218, 372393), (257, 315882), (322, 252117), (327, 248262), (414, 196091), (483, 168078), (514, 157941), (654, 124131), (763, 106398), (771, 105294), (966, 84039), (981, 82754), (1449, 56026), (1526, 53199), (1542, 52647), (1799, 45126), (1962, 41377), (2289, 35466), (2313, 35098), (2507, 32382), (2898, 28013), (3598, 22563), (4578, 17733), (4626, 17549), (5014, 16191), (5397, 15042), (5911, 13734), (6867, 11822), (7521, 10794)]