198716955

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{5297}}^1$

素因数の和:5407

約数の個数: 32

約数和(自身を含む): 331103808

約数和(自身を除く): 132386853

約数列:

[1, 3, 5, 15, 41, 61, 123, 183, 205, 305, 615, 915, 2501, 5297, 7503, 12505, 15891, 26485, 37515, 79455, 217177, 323117, 651531, 969351, 1085885, 1615585, 3257655, 4846755, 13247797, 39743391, 66238985, 198716955]

約数ペア:

[(1, 198716955), (3, 66238985), (5, 39743391), (15, 13247797), (41, 4846755), (61, 3257655), (123, 1615585), (183, 1085885), (205, 969351), (305, 651531), (615, 323117), (915, 217177), (2501, 79455), (5297, 37515), (7503, 26485), (12505, 15891)]