78144759

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 145650960

約数和(自身を除く): 67506201

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 89, 99, 147, 181, 231, 267, 441, 539, 543, 623, 693, 801, 979, 1267, 1617, 1629, 1869, 1991, 2937, 3801, 4361, 4851, 5607, 5973, 6853, 8811, 8869, 11403, 13083, 13937, 16109, 17919, 20559, 26607, 39249, 41811, 47971, 48327, 61677, 79821, 97559, 112763, 125433, 143913, 144981, 177199, 292677, 338289, 431739, 531597, 789341, 878031, 1014867, 1240393, 1594791, 2368023, 3721179, 7104069, 8682751, 11163537, 26048253, 78144759]

約数ペア:

[(1, 78144759), (3, 26048253), (7, 11163537), (9, 8682751), (11, 7104069), (21, 3721179), (33, 2368023), (49, 1594791), (63, 1240393), (77, 1014867), (89, 878031), (99, 789341), (147, 531597), (181, 431739), (231, 338289), (267, 292677), (441, 177199), (539, 144981), (543, 143913), (623, 125433), (693, 112763), (801, 97559), (979, 79821), (1267, 61677), (1617, 48327), (1629, 47971), (1869, 41811), (1991, 39249), (2937, 26607), (3801, 20559), (4361, 17919), (4851, 16109), (5607, 13937), (5973, 13083), (6853, 11403), (8811, 8869)]