199209915

素因数分解:

$3^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5879}}^1$

素因数の和:6144

約数の個数: 32

約数和(自身を含む): 355622400

約数和(自身を除く): 156412485

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 251, 753, 1255, 2259, 3765, 5879, 6777, 11295, 17637, 29395, 33885, 52911, 88185, 158733, 264555, 793665, 1475629, 4426887, 7378145, 13280661, 22134435, 39841983, 66403305, 199209915]

約数ペア:

[(1, 199209915), (3, 66403305), (5, 39841983), (9, 22134435), (15, 13280661), (27, 7378145), (45, 4426887), (135, 1475629), (251, 793665), (753, 264555), (1255, 158733), (2259, 88185), (3765, 52911), (5879, 33885), (6777, 29395), (11295, 17637)]