187708101

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 307334016

約数和(自身を除く): 119625915

約数列:

[1, 3, 7, 17, 21, 51, 119, 157, 197, 289, 357, 471, 591, 867, 1099, 1379, 2023, 2669, 3297, 3349, 4137, 6069, 8007, 10047, 18683, 23443, 30929, 45373, 56049, 56933, 70329, 92787, 136119, 170799, 216503, 317611, 398531, 525793, 649509, 952833, 1195593, 1577379, 3680551, 8938481, 11041653, 26815443, 62569367, 187708101]

約数ペア:

[(1, 187708101), (3, 62569367), (7, 26815443), (17, 11041653), (21, 8938481), (51, 3680551), (119, 1577379), (157, 1195593), (197, 952833), (289, 649509), (357, 525793), (471, 398531), (591, 317611), (867, 216503), (1099, 170799), (1379, 136119), (2023, 92787), (2669, 70329), (3297, 56933), (3349, 56049), (4137, 45373), (6069, 30929), (8007, 23443), (10047, 18683)]