289778715

素因数分解:

$3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3019}}^1$

素因数の和:3118

約数の個数: 48

約数和(自身を含む): 527654400

約数和(自身を除く): 237875685

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 243, 395, 405, 711, 1185, 1215, 2133, 3019, 3555, 6399, 9057, 10665, 15095, 19197, 27171, 31995, 45285, 81513, 95985, 135855, 238501, 244539, 407565, 715503, 733617, 1192505, 1222695, 2146509, 3577515, 3668085, 6439527, 10732545, 19318581, 32197635, 57955743, 96592905, 289778715]

約数ペア:

[(1, 289778715), (3, 96592905), (5, 57955743), (9, 32197635), (15, 19318581), (27, 10732545), (45, 6439527), (79, 3668085), (81, 3577515), (135, 2146509), (237, 1222695), (243, 1192505), (395, 733617), (405, 715503), (711, 407565), (1185, 244539), (1215, 238501), (2133, 135855), (3019, 95985), (3555, 81513), (6399, 45285), (9057, 31995), (10665, 27171), (15095, 19197)]