201392919

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{81967}}^1$

素因数の和:81996

約数の個数: 32

約数和(自身を含む): 367216640

約数和(自身を除く): 165823721

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 81967, 245901, 573769, 737703, 1065571, 1721307, 2213109, 3196713, 5163921, 7458997, 9590139, 15491763, 22376991, 28770417, 67130973, 201392919]

約数ペア:

[(1, 201392919), (3, 67130973), (7, 28770417), (9, 22376991), (13, 15491763), (21, 9590139), (27, 7458997), (39, 5163921), (63, 3196713), (91, 2213109), (117, 1721307), (189, 1065571), (273, 737703), (351, 573769), (819, 245901), (2457, 81967)]