390996855

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{170369}}^1$

素因数の和:170400

約数の個数: 32

約数和(自身を含む): 735998400

約数和(自身を除く): 345001545

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 170369, 511107, 851845, 1533321, 2555535, 2896273, 4599963, 7666605, 8688819, 14481365, 22999815, 26066457, 43444095, 78199371, 130332285, 390996855]

約数ペア:

[(1, 390996855), (3, 130332285), (5, 78199371), (9, 43444095), (15, 26066457), (17, 22999815), (27, 14481365), (45, 8688819), (51, 7666605), (85, 4599963), (135, 2896273), (153, 2555535), (255, 1533321), (459, 851845), (765, 511107), (2295, 170369)]