247079295

素因数分解:

$3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{6959}}^1$

素因数の和:7236

約数の個数: 32

約数和(自身を含む): 440985600

約数和(自身を除く): 193906305

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 263, 789, 1315, 2367, 3945, 6959, 7101, 11835, 20877, 34795, 35505, 62631, 104385, 187893, 313155, 939465, 1830217, 5490651, 9151085, 16471953, 27453255, 49415859, 82359765, 247079295]

約数ペア:

[(1, 247079295), (3, 82359765), (5, 49415859), (9, 27453255), (15, 16471953), (27, 9151085), (45, 5490651), (135, 1830217), (263, 939465), (789, 313155), (1315, 187893), (2367, 104385), (3945, 62631), (6959, 35505), (7101, 34795), (11835, 20877)]