201973821

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{3797}}^1$

素因数の和:3973

約数の個数: 32

約数和(自身を含む): 328147200

約数和(自身を除く): 126173379

約数列:

[1, 3, 7, 17, 21, 51, 119, 149, 357, 447, 1043, 2533, 3129, 3797, 7599, 11391, 17731, 26579, 53193, 64549, 79737, 193647, 451843, 565753, 1355529, 1697259, 3960271, 9617801, 11880813, 28853403, 67324607, 201973821]

約数ペア:

[(1, 201973821), (3, 67324607), (7, 28853403), (17, 11880813), (21, 9617801), (51, 3960271), (119, 1697259), (149, 1355529), (357, 565753), (447, 451843), (1043, 193647), (2533, 79737), (3129, 64549), (3797, 53193), (7599, 26579), (11391, 17731)]