201912885

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{40423}}^1$

素因数の和:40474

約数の個数: 32

約数和(自身を含む): 368666880

約数和(自身を除く): 166753995

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4995, 40423, 121269, 202115, 363807, 606345, 1091421, 1495651, 1819035, 4486953, 5457105, 7478255, 13460859, 22434765, 40382577, 67304295, 201912885]

約数ペア:

[(1, 201912885), (3, 67304295), (5, 40382577), (9, 22434765), (15, 13460859), (27, 7478255), (37, 5457105), (45, 4486953), (111, 1819035), (135, 1495651), (185, 1091421), (333, 606345), (555, 363807), (999, 202115), (1665, 121269), (4995, 40423)]