26931303

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 47424000

約数和(自身を除く): 20492697

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 149, 151, 171, 399, 447, 453, 1043, 1057, 1197, 1341, 1359, 2831, 2869, 3129, 3171, 8493, 8607, 9387, 9513, 19817, 20083, 22499, 25479, 25821, 59451, 60249, 67497, 157493, 178353, 180747, 202491, 427481, 472479, 1282443, 1417437, 2992367, 3847329, 8977101, 26931303]

約数ペア:

[(1, 26931303), (3, 8977101), (7, 3847329), (9, 2992367), (19, 1417437), (21, 1282443), (57, 472479), (63, 427481), (133, 202491), (149, 180747), (151, 178353), (171, 157493), (399, 67497), (447, 60249), (453, 59451), (1043, 25821), (1057, 25479), (1197, 22499), (1341, 20083), (1359, 19817), (2831, 9513), (2869, 9387), (3129, 8607), (3171, 8493)]