205460385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61979}}^1$

素因数の和:62017

約数の個数: 32

約数和(自身を含む): 374855040

約数和(自身を除く): 169394655

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 61979, 185937, 309895, 805727, 929685, 1053643, 2417181, 3160929, 4028635, 5268215, 12085905, 13697359, 15804645, 41092077, 68486795, 205460385]

約数ペア:

[(1, 205460385), (3, 68486795), (5, 41092077), (13, 15804645), (15, 13697359), (17, 12085905), (39, 5268215), (51, 4028635), (65, 3160929), (85, 2417181), (195, 1053643), (221, 929685), (255, 805727), (663, 309895), (1105, 185937), (3315, 61979)]