31498155

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2341}}^1$

素因数の和:2388

約数の個数: 48

約数和(自身を含む): 61379136

約数和(自身を除く): 29880981

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 2341, 2691, 4485, 7023, 11705, 13455, 21069, 30433, 35115, 53843, 91299, 105345, 152165, 161529, 269215, 273897, 456495, 484587, 699959, 807645, 1369485, 2099877, 2422935, 3499795, 6299631, 10499385, 31498155]

約数ペア:

[(1, 31498155), (3, 10499385), (5, 6299631), (9, 3499795), (13, 2422935), (15, 2099877), (23, 1369485), (39, 807645), (45, 699959), (65, 484587), (69, 456495), (115, 273897), (117, 269215), (195, 161529), (207, 152165), (299, 105345), (345, 91299), (585, 53843), (897, 35115), (1035, 30433), (1495, 21069), (2341, 13455), (2691, 11705), (4485, 7023)]