28986285

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 47854080

約数和(自身を除く): 18867795

約数列:

[1, 3, 5, 15, 61, 79, 183, 237, 305, 395, 401, 915, 1185, 1203, 2005, 4819, 6015, 14457, 24095, 24461, 31679, 72285, 73383, 95037, 122305, 158395, 366915, 475185, 1932419, 5797257, 9662095, 28986285]

約数ペア:

[(1, 28986285), (3, 9662095), (5, 5797257), (15, 1932419), (61, 475185), (79, 366915), (183, 158395), (237, 122305), (305, 95037), (395, 73383), (401, 72285), (915, 31679), (1185, 24461), (1203, 24095), (2005, 14457), (4819, 6015)]