198555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:107

約数の個数: 32

約数和(自身を含む): 380928

約数和(自身を除く): 182373

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 61, 93, 105, 155, 183, 217, 305, 427, 465, 651, 915, 1085, 1281, 1891, 2135, 3255, 5673, 6405, 9455, 13237, 28365, 39711, 66185, 198555]

約数ペア:

[(1, 198555), (3, 66185), (5, 39711), (7, 28365), (15, 13237), (21, 9455), (31, 6405), (35, 5673), (61, 3255), (93, 2135), (105, 1891), (155, 1281), (183, 1085), (217, 915), (305, 651), (427, 465)]