198146985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{1201}}^1$

素因数の和:1873

約数の個数: 32

約数和(自身を含む): 336483072

約数和(自身を除く): 138336087

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 647, 1201, 1941, 3235, 3603, 6005, 9705, 10999, 18015, 20417, 32997, 54995, 61251, 102085, 164985, 306255, 777047, 2331141, 3885235, 11655705, 13209799, 39629397, 66048995, 198146985]

約数ペア:

[(1, 198146985), (3, 66048995), (5, 39629397), (15, 13209799), (17, 11655705), (51, 3885235), (85, 2331141), (255, 777047), (647, 306255), (1201, 164985), (1941, 102085), (3235, 61251), (3603, 54995), (6005, 32997), (9705, 20417), (10999, 18015)]