81441108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1103}}^1$

素因数の和:1413

約数の個数: 72

約数和(自身を含む): 236291328

約数和(自身を除く): 154850220

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 293, 586, 879, 1103, 1172, 1758, 2051, 2206, 2637, 3309, 3516, 4102, 4412, 5274, 6153, 6618, 7721, 8204, 9927, 10548, 12306, 13236, 15442, 18459, 19854, 23163, 24612, 30884, 36918, 39708, 46326, 69489, 73836, 92652, 138978, 277956, 323179, 646358, 969537, 1292716, 1939074, 2262253, 2908611, 3878148, 4524506, 5817222, 6786759, 9049012, 11634444, 13573518, 20360277, 27147036, 40720554, 81441108]

約数ペア:

[(1, 81441108), (2, 40720554), (3, 27147036), (4, 20360277), (6, 13573518), (7, 11634444), (9, 9049012), (12, 6786759), (14, 5817222), (18, 4524506), (21, 3878148), (28, 2908611), (36, 2262253), (42, 1939074), (63, 1292716), (84, 969537), (126, 646358), (252, 323179), (293, 277956), (586, 138978), (879, 92652), (1103, 73836), (1172, 69489), (1758, 46326), (2051, 39708), (2206, 36918), (2637, 30884), (3309, 24612), (3516, 23163), (4102, 19854), (4412, 18459), (5274, 15442), (6153, 13236), (6618, 12306), (7721, 10548), (8204, 9927)]