198914715

素因数分解:

$3^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{6397}}^1$

素因数の和:7099

約数の個数: 24

約数和(自身を含む): 345338448

約数和(自身を除く): 146423733

約数列:

[1, 3, 5, 9, 15, 45, 691, 2073, 3455, 6219, 6397, 10365, 19191, 31095, 31985, 57573, 95955, 287865, 4420327, 13260981, 22101635, 39782943, 66304905, 198914715]

約数ペア:

[(1, 198914715), (3, 66304905), (5, 39782943), (9, 22101635), (15, 13260981), (45, 4420327), (691, 287865), (2073, 95955), (3455, 57573), (6219, 31985), (6397, 31095), (10365, 19191)]