81909324

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7559}}^1$

素因数の和:7619

約数の個数: 72

約数和(自身を含む): 242161920

約数和(自身を除く): 160252596

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2709, 3612, 5418, 7559, 10836, 15118, 22677, 30236, 45354, 52913, 68031, 90708, 105826, 136062, 158739, 211652, 272124, 317478, 325037, 476217, 634956, 650074, 952434, 975111, 1300148, 1904868, 1950222, 2275259, 2925333, 3900444, 4550518, 5850666, 6825777, 9101036, 11701332, 13651554, 20477331, 27303108, 40954662, 81909324]

約数ペア:

[(1, 81909324), (2, 40954662), (3, 27303108), (4, 20477331), (6, 13651554), (7, 11701332), (9, 9101036), (12, 6825777), (14, 5850666), (18, 4550518), (21, 3900444), (28, 2925333), (36, 2275259), (42, 1950222), (43, 1904868), (63, 1300148), (84, 975111), (86, 952434), (126, 650074), (129, 634956), (172, 476217), (252, 325037), (258, 317478), (301, 272124), (387, 211652), (516, 158739), (602, 136062), (774, 105826), (903, 90708), (1204, 68031), (1548, 52913), (1806, 45354), (2709, 30236), (3612, 22677), (5418, 15118), (7559, 10836)]