197895015

素因数分解:

$3^3\times 5^1\times {\mathrm{1465889}}^1$

素因数の和:1465903

約数の個数: 16

約数和(自身を含む): 351813600

約数和(自身を除く): 153918585

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1465889, 4397667, 7329445, 13193001, 21988335, 39579003, 65965005, 197895015]

約数ペア:

[(1, 197895015), (3, 65965005), (5, 39579003), (9, 21988335), (15, 13193001), (27, 7329445), (45, 4397667), (135, 1465889)]