219866085

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2689}}^1$

素因数の和:2802

約数の個数: 48

約数和(自身を含む): 402854400

約数和(自身を除く): 182988315

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 79, 115, 207, 237, 345, 395, 711, 1035, 1185, 1817, 2689, 3555, 5451, 8067, 9085, 13445, 16353, 24201, 27255, 40335, 61847, 81765, 121005, 185541, 212431, 309235, 556623, 637293, 927705, 1062155, 1911879, 2783115, 3186465, 4885913, 9559395, 14657739, 24429565, 43973217, 73288695, 219866085]

約数ペア:

[(1, 219866085), (3, 73288695), (5, 43973217), (9, 24429565), (15, 14657739), (23, 9559395), (45, 4885913), (69, 3186465), (79, 2783115), (115, 1911879), (207, 1062155), (237, 927705), (345, 637293), (395, 556623), (711, 309235), (1035, 212431), (1185, 185541), (1817, 121005), (2689, 81765), (3555, 61847), (5451, 40335), (8067, 27255), (9085, 24201), (13445, 16353)]