181395

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 327600

約数和(自身を除く): 146205

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 139, 145, 261, 417, 435, 695, 1251, 1305, 2085, 4031, 6255, 12093, 20155, 36279, 60465, 181395]

約数ペア:

[(1, 181395), (3, 60465), (5, 36279), (9, 20155), (15, 12093), (29, 6255), (45, 4031), (87, 2085), (139, 1305), (145, 1251), (261, 695), (417, 435)]