16906995

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17891}}^1$

素因数の和:17912

約数の個数: 32

約数和(自身を含む): 34352640

約数和(自身を除く): 17445645

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 17891, 53673, 89455, 125237, 161019, 268365, 375711, 483057, 626185, 805095, 1127133, 1878555, 2415285, 3381399, 5635665, 16906995]

約数ペア:

[(1, 16906995), (3, 5635665), (5, 3381399), (7, 2415285), (9, 1878555), (15, 1127133), (21, 805095), (27, 626185), (35, 483057), (45, 375711), (63, 268365), (105, 161019), (135, 125237), (189, 89455), (315, 53673), (945, 17891)]