31333425

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 53954880

約数和(自身を除く): 22621455

約数列:

[1, 3, 5, 15, 25, 59, 73, 75, 97, 177, 219, 291, 295, 365, 485, 885, 1095, 1455, 1475, 1825, 2425, 4307, 4425, 5475, 5723, 7081, 7275, 12921, 17169, 21243, 21535, 28615, 35405, 64605, 85845, 106215, 107675, 143075, 177025, 323025, 417779, 429225, 531075, 1253337, 2088895, 6266685, 10444475, 31333425]

約数ペア:

[(1, 31333425), (3, 10444475), (5, 6266685), (15, 2088895), (25, 1253337), (59, 531075), (73, 429225), (75, 417779), (97, 323025), (177, 177025), (219, 143075), (291, 107675), (295, 106215), (365, 85845), (485, 64605), (885, 35405), (1095, 28615), (1455, 21535), (1475, 21243), (1825, 17169), (2425, 12921), (4307, 7275), (4425, 7081), (5475, 5723)]