18248085

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 34280064

約数和(自身を除く): 16031979

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 621, 653, 1035, 1215, 1863, 1959, 3105, 3265, 5589, 5877, 9315, 9795, 15019, 17631, 27945, 29385, 45057, 52893, 75095, 88155, 135171, 158679, 225285, 264465, 405513, 675855, 793395, 1216539, 2027565, 3649617, 6082695, 18248085]

約数ペア:

[(1, 18248085), (3, 6082695), (5, 3649617), (9, 2027565), (15, 1216539), (23, 793395), (27, 675855), (45, 405513), (69, 264465), (81, 225285), (115, 158679), (135, 135171), (207, 88155), (243, 75095), (345, 52893), (405, 45057), (621, 29385), (653, 27945), (1035, 17631), (1215, 15019), (1863, 9795), (1959, 9315), (3105, 5877), (3265, 5589)]