220858215

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{1997}}^1$

素因数の和:2179

約数の個数: 32

約数和(自身を含む): 361941696

約数和(自身を除く): 141083481

約数列:

[1, 3, 5, 15, 73, 101, 219, 303, 365, 505, 1095, 1515, 1997, 5991, 7373, 9985, 22119, 29955, 36865, 110595, 145781, 201697, 437343, 605091, 728905, 1008485, 2186715, 3025455, 14723881, 44171643, 73619405, 220858215]

約数ペア:

[(1, 220858215), (3, 73619405), (5, 44171643), (15, 14723881), (73, 3025455), (101, 2186715), (219, 1008485), (303, 728905), (365, 605091), (505, 437343), (1095, 201697), (1515, 145781), (1997, 110595), (5991, 36865), (7373, 29955), (9985, 22119)]