27871285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 38158848

約数和(自身を除く): 10287563

約数列:

[1, 5, 13, 23, 65, 103, 115, 181, 299, 515, 905, 1339, 1495, 2353, 2369, 4163, 6695, 11765, 11845, 18643, 20815, 30797, 54119, 93215, 153985, 242359, 270595, 428789, 1211795, 2143945, 5574257, 27871285]

約数ペア:

[(1, 27871285), (5, 5574257), (13, 2143945), (23, 1211795), (65, 428789), (103, 270595), (115, 242359), (181, 153985), (299, 93215), (515, 54119), (905, 30797), (1339, 20815), (1495, 18643), (2353, 11845), (2369, 11765), (4163, 6695)]