85471239

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 137894400

約数和(自身を除く): 52423161

約数列:

[1, 3, 7, 21, 47, 49, 89, 139, 141, 147, 267, 329, 417, 623, 973, 987, 1869, 2303, 2919, 4183, 4361, 6533, 6811, 6909, 12371, 12549, 13083, 19599, 20433, 29281, 37113, 45731, 86597, 87843, 137193, 204967, 259791, 320117, 581437, 606179, 614901, 960351, 1744311, 1818537, 4070059, 12210177, 28490413, 85471239]

約数ペア:

[(1, 85471239), (3, 28490413), (7, 12210177), (21, 4070059), (47, 1818537), (49, 1744311), (89, 960351), (139, 614901), (141, 606179), (147, 581437), (267, 320117), (329, 259791), (417, 204967), (623, 137193), (973, 87843), (987, 86597), (1869, 45731), (2303, 37113), (2919, 29281), (4183, 20433), (4361, 19599), (6533, 13083), (6811, 12549), (6909, 12371)]