64393995

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{379}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 105937920

約数和(自身を除く): 41543925

約数列:

[1, 3, 5, 15, 47, 141, 235, 241, 379, 705, 723, 1137, 1205, 1895, 3615, 5685, 11327, 17813, 33981, 53439, 56635, 89065, 91339, 169905, 267195, 274017, 456695, 1370085, 4292933, 12878799, 21464665, 64393995]

約数ペア:

[(1, 64393995), (3, 21464665), (5, 12878799), (15, 4292933), (47, 1370085), (141, 456695), (235, 274017), (241, 267195), (379, 169905), (705, 91339), (723, 89065), (1137, 56635), (1205, 53439), (1895, 33981), (3615, 17813), (5685, 11327)]