201550545

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{213281}}^1$

素因数の和:213302

約数の個数: 32

約数和(自身を含む): 409501440

約数和(自身を除く): 207950895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 213281, 639843, 1066405, 1492967, 1919529, 3199215, 4478901, 5758587, 7464835, 9597645, 13436703, 22394505, 28792935, 40310109, 67183515, 201550545]

約数ペア:

[(1, 201550545), (3, 67183515), (5, 40310109), (7, 28792935), (9, 22394505), (15, 13436703), (21, 9597645), (27, 7464835), (35, 5758587), (45, 4478901), (63, 3199215), (105, 1919529), (135, 1492967), (189, 1066405), (315, 639843), (945, 213281)]