72804591

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{1217}}^1$

素因数の和:1280

約数の個数: 36

約数和(自身を含む): 116664912

約数和(自身を除く): 43860321

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 289, 391, 867, 1173, 1217, 2601, 3519, 3651, 6647, 10953, 19941, 20689, 27991, 59823, 62067, 83973, 186201, 251919, 351713, 475847, 1055139, 1427541, 3165417, 4282623, 8089399, 24268197, 72804591]

約数ペア:

[(1, 72804591), (3, 24268197), (9, 8089399), (17, 4282623), (23, 3165417), (51, 1427541), (69, 1055139), (153, 475847), (207, 351713), (289, 251919), (391, 186201), (867, 83973), (1173, 62067), (1217, 59823), (2601, 27991), (3519, 20689), (3651, 19941), (6647, 10953)]