90210705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{7841}}^1$

素因数の和:7921

約数の個数: 32

約数和(自身を含む): 158094720

約数和(自身を除く): 67884015

約数列:

[1, 3, 5, 13, 15, 39, 59, 65, 177, 195, 295, 767, 885, 2301, 3835, 7841, 11505, 23523, 39205, 101933, 117615, 305799, 462619, 509665, 1387857, 1528995, 2313095, 6014047, 6939285, 18042141, 30070235, 90210705]

約数ペア:

[(1, 90210705), (3, 30070235), (5, 18042141), (13, 6939285), (15, 6014047), (39, 2313095), (59, 1528995), (65, 1387857), (177, 509665), (195, 462619), (295, 305799), (767, 117615), (885, 101933), (2301, 39205), (3835, 23523), (7841, 11505)]