161022975

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{19697}}^1$

素因数の和:19819

約数の個数: 24

約数和(自身を含む): 268680720

約数和(自身を除く): 107657745

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 545, 1635, 2725, 8175, 19697, 59091, 98485, 295455, 492425, 1477275, 2146973, 6440919, 10734865, 32204595, 53674325, 161022975]

約数ペア:

[(1, 161022975), (3, 53674325), (5, 32204595), (15, 10734865), (25, 6440919), (75, 2146973), (109, 1477275), (327, 492425), (545, 295455), (1635, 98485), (2725, 59091), (8175, 19697)]