225540861

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{2081}}^1$

素因数の和:2501

約数の個数: 32

約数和(自身を含む): 371228928

約数和(自身を除く): 145688067

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 397, 1191, 2081, 2779, 5161, 6243, 8337, 14567, 15483, 27053, 36127, 43701, 81159, 108381, 189371, 568113, 826157, 2478471, 5783099, 10740041, 17349297, 32220123, 75180287, 225540861]

約数ペア:

[(1, 225540861), (3, 75180287), (7, 32220123), (13, 17349297), (21, 10740041), (39, 5783099), (91, 2478471), (273, 826157), (397, 568113), (1191, 189371), (2081, 108381), (2779, 81159), (5161, 43701), (6243, 36127), (8337, 27053), (14567, 15483)]