268694517

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{1489}}^1$

素因数の和:2173

約数の個数: 32

約数和(自身を含む): 441898240

約数和(自身を除く): 173203723

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 661, 1489, 1983, 4467, 4627, 8593, 10423, 13881, 19357, 25779, 31269, 58071, 60151, 135499, 180453, 406497, 984229, 2952687, 6889603, 12794977, 20668809, 38384931, 89564839, 268694517]

約数ペア:

[(1, 268694517), (3, 89564839), (7, 38384931), (13, 20668809), (21, 12794977), (39, 6889603), (91, 2952687), (273, 984229), (661, 406497), (1489, 180453), (1983, 135499), (4467, 60151), (4627, 58071), (8593, 31269), (10423, 25779), (13881, 19357)]