81968490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{303587}}^1$

素因数の和:303603

約数の個数: 32

約数和(自身を含む): 218583360

約数和(自身を除く): 136614870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 303587, 607174, 910761, 1517935, 1821522, 2732283, 3035870, 4553805, 5464566, 8196849, 9107610, 13661415, 16393698, 27322830, 40984245, 81968490]

約数ペア:

[(1, 81968490), (2, 40984245), (3, 27322830), (5, 16393698), (6, 13661415), (9, 9107610), (10, 8196849), (15, 5464566), (18, 4553805), (27, 3035870), (30, 2732283), (45, 1821522), (54, 1517935), (90, 910761), (135, 607174), (270, 303587)]