87940983

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 143216640

約数和(自身を除く): 55275657

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 73, 79, 219, 221, 237, 299, 391, 663, 897, 949, 1027, 1173, 1241, 1343, 1679, 1817, 2847, 3081, 3723, 4029, 5037, 5083, 5451, 5767, 15249, 16133, 17301, 17459, 21827, 23621, 28543, 30889, 48399, 52377, 65481, 70863, 74971, 85629, 92667, 98039, 132641, 224913, 294117, 371059, 397923, 401557, 1113177, 1204671, 1274507, 1724333, 2254897, 3823521, 5172999, 6764691, 29313661, 87940983]

約数ペア:

[(1, 87940983), (3, 29313661), (13, 6764691), (17, 5172999), (23, 3823521), (39, 2254897), (51, 1724333), (69, 1274507), (73, 1204671), (79, 1113177), (219, 401557), (221, 397923), (237, 371059), (299, 294117), (391, 224913), (663, 132641), (897, 98039), (949, 92667), (1027, 85629), (1173, 74971), (1241, 70863), (1343, 65481), (1679, 52377), (1817, 48399), (2847, 30889), (3081, 28543), (3723, 23621), (4029, 21827), (5037, 17459), (5083, 17301), (5451, 16133), (5767, 15249)]