81651996

素因数分解:

$2^2\times 3^3\times {\mathrm{181}}^1\times {\mathrm{4177}}^1$

素因数の和:4371

約数の個数: 48

約数和(自身を含む): 212910880

約数和(自身を除く): 131258884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 181, 362, 543, 724, 1086, 1629, 2172, 3258, 4177, 4887, 6516, 8354, 9774, 12531, 16708, 19548, 25062, 37593, 50124, 75186, 112779, 150372, 225558, 451116, 756037, 1512074, 2268111, 3024148, 4536222, 6804333, 9072444, 13608666, 20412999, 27217332, 40825998, 81651996]

約数ペア:

[(1, 81651996), (2, 40825998), (3, 27217332), (4, 20412999), (6, 13608666), (9, 9072444), (12, 6804333), (18, 4536222), (27, 3024148), (36, 2268111), (54, 1512074), (108, 756037), (181, 451116), (362, 225558), (543, 150372), (724, 112779), (1086, 75186), (1629, 50124), (2172, 37593), (3258, 25062), (4177, 19548), (4887, 16708), (6516, 12531), (8354, 9774)]