18113121

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 30191616

約数和(自身を除く): 12078495

約数列:

[1, 3, 9, 13, 23, 39, 53, 69, 117, 127, 159, 207, 299, 381, 477, 689, 897, 1143, 1219, 1651, 2067, 2691, 2921, 3657, 4953, 6201, 6731, 8763, 10971, 14859, 15847, 20193, 26289, 37973, 47541, 60579, 87503, 113919, 142623, 154813, 262509, 341757, 464439, 787527, 1393317, 2012569, 6037707, 18113121]

約数ペア:

[(1, 18113121), (3, 6037707), (9, 2012569), (13, 1393317), (23, 787527), (39, 464439), (53, 341757), (69, 262509), (117, 154813), (127, 142623), (159, 113919), (207, 87503), (299, 60579), (381, 47541), (477, 37973), (689, 26289), (897, 20193), (1143, 15847), (1219, 14859), (1651, 10971), (2067, 8763), (2691, 6731), (2921, 6201), (3657, 4953)]