221425731

素因数分解:

$3^6\times {\mathrm{17}}^2\times {\mathrm{1051}}^1$

素因数の和:1103

約数の個数: 42

約数和(自身を含む): 352999652

約数和(自身を除く): 131573921

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 289, 459, 729, 867, 1051, 1377, 2601, 3153, 4131, 7803, 9459, 12393, 17867, 23409, 28377, 53601, 70227, 85131, 160803, 210681, 255393, 303739, 482409, 766179, 911217, 1447227, 2733651, 4341681, 8200953, 13025043, 24602859, 73808577, 221425731]

約数ペア:

[(1, 221425731), (3, 73808577), (9, 24602859), (17, 13025043), (27, 8200953), (51, 4341681), (81, 2733651), (153, 1447227), (243, 911217), (289, 766179), (459, 482409), (729, 303739), (867, 255393), (1051, 210681), (1377, 160803), (2601, 85131), (3153, 70227), (4131, 53601), (7803, 28377), (9459, 23409), (12393, 17867)]