80791641

素因数分解:

$3^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{773}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 141177600

約数和(自身を除く): 60385959

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 79, 147, 189, 237, 441, 553, 711, 773, 1323, 1659, 2133, 2319, 3871, 4977, 5411, 6957, 11613, 14931, 16233, 20871, 34839, 37877, 48699, 61067, 104517, 113631, 146097, 183201, 340893, 427469, 549603, 1022679, 1282407, 1648809, 2992283, 3847221, 8976849, 11541663, 26930547, 80791641]

約数ペア:

[(1, 80791641), (3, 26930547), (7, 11541663), (9, 8976849), (21, 3847221), (27, 2992283), (49, 1648809), (63, 1282407), (79, 1022679), (147, 549603), (189, 427469), (237, 340893), (441, 183201), (553, 146097), (711, 113631), (773, 104517), (1323, 61067), (1659, 48699), (2133, 37877), (2319, 34839), (3871, 20871), (4977, 16233), (5411, 14931), (6957, 11613)]