90151731

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1220

約数の個数: 32

約数和(自身を含む): 142274880

約数和(自身を除く): 52123149

約数列:

[1, 3, 9, 17, 27, 51, 153, 197, 459, 591, 997, 1773, 2991, 3349, 5319, 8973, 10047, 16949, 26919, 30141, 50847, 90423, 152541, 196409, 457623, 589227, 1767681, 3338953, 5303043, 10016859, 30050577, 90151731]

約数ペア:

[(1, 90151731), (3, 30050577), (9, 10016859), (17, 5303043), (27, 3338953), (51, 1767681), (153, 589227), (197, 457623), (459, 196409), (591, 152541), (997, 90423), (1773, 50847), (2991, 30141), (3349, 26919), (5319, 16949), (8973, 10047)]