1900384857

素因数分解:

$3^2\times 7^1\times {\mathrm{1451}}^1\times {\mathrm{20789}}^1$

素因数の和:22253

約数の個数: 24

約数和(自身を含む): 3139456320

約数和(自身を除く): 1239071463

約数列:

[1, 3, 7, 9, 21, 63, 1451, 4353, 10157, 13059, 20789, 30471, 62367, 91413, 145523, 187101, 436569, 1309707, 30164839, 90494517, 211153873, 271483551, 633461619, 1900384857]

約数ペア:

[(1, 1900384857), (3, 633461619), (7, 271483551), (9, 211153873), (21, 90494517), (63, 30164839), (1451, 1309707), (4353, 436569), (10157, 187101), (13059, 145523), (20789, 91413), (30471, 62367)]