65336649

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 108072000

約数和(自身を除く): 42735351

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 149, 157, 399, 447, 471, 931, 1043, 1099, 2793, 2831, 2983, 3129, 3297, 7301, 7693, 8493, 8949, 19817, 20881, 21903, 23079, 23393, 59451, 62643, 70179, 138719, 146167, 163751, 416157, 438501, 444467, 491253, 1146257, 1333401, 3111269, 3438771, 9333807, 21778883, 65336649]

約数ペア:

[(1, 65336649), (3, 21778883), (7, 9333807), (19, 3438771), (21, 3111269), (49, 1333401), (57, 1146257), (133, 491253), (147, 444467), (149, 438501), (157, 416157), (399, 163751), (447, 146167), (471, 138719), (931, 70179), (1043, 62643), (1099, 59451), (2793, 23393), (2831, 23079), (2983, 21903), (3129, 20881), (3297, 19817), (7301, 8949), (7693, 8493)]