287434563

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{821}}^1$

素因数の和:1075

約数の個数: 32

約数和(自身を含む): 424230912

約数和(自身を除く): 136796349

約数列:

[1, 3, 13, 39, 47, 141, 191, 573, 611, 821, 1833, 2463, 2483, 7449, 8977, 10673, 26931, 32019, 38587, 115761, 116701, 156811, 350103, 470433, 501631, 1504893, 2038543, 6115629, 7370117, 22110351, 95811521, 287434563]

約数ペア:

[(1, 287434563), (3, 95811521), (13, 22110351), (39, 7370117), (47, 6115629), (141, 2038543), (191, 1504893), (573, 501631), (611, 470433), (821, 350103), (1833, 156811), (2463, 116701), (2483, 115761), (7449, 38587), (8977, 32019), (10673, 26931)]