81308556

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:972

約数の個数: 96

約数和(自身を含む): 243048960

約数和(自身を除く): 161740404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 131, 189, 252, 262, 378, 393, 524, 756, 786, 821, 917, 1179, 1572, 1642, 1834, 2358, 2463, 2751, 3284, 3537, 3668, 4716, 4926, 5502, 5747, 7074, 7389, 8253, 9852, 11004, 11494, 14148, 14778, 16506, 17241, 22167, 22988, 24759, 29556, 33012, 34482, 44334, 49518, 51723, 68964, 88668, 99036, 103446, 107551, 155169, 206892, 215102, 310338, 322653, 430204, 620676, 645306, 752857, 967959, 1290612, 1505714, 1935918, 2258571, 2903877, 3011428, 3871836, 4517142, 5807754, 6775713, 9034284, 11615508, 13551426, 20327139, 27102852, 40654278, 81308556]

約数ペア:

[(1, 81308556), (2, 40654278), (3, 27102852), (4, 20327139), (6, 13551426), (7, 11615508), (9, 9034284), (12, 6775713), (14, 5807754), (18, 4517142), (21, 3871836), (27, 3011428), (28, 2903877), (36, 2258571), (42, 1935918), (54, 1505714), (63, 1290612), (84, 967959), (108, 752857), (126, 645306), (131, 620676), (189, 430204), (252, 322653), (262, 310338), (378, 215102), (393, 206892), (524, 155169), (756, 107551), (786, 103446), (821, 99036), (917, 88668), (1179, 68964), (1572, 51723), (1642, 49518), (1834, 44334), (2358, 34482), (2463, 33012), (2751, 29556), (3284, 24759), (3537, 22988), (3668, 22167), (4716, 17241), (4926, 16506), (5502, 14778), (5747, 14148), (7074, 11494), (7389, 11004), (8253, 9852)]