56416455

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2543}}^1$

素因数の和:2600

約数の個数: 48

約数和(自身を含む): 107153280

約数和(自身を除く): 50736825

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 145, 153, 255, 261, 435, 493, 765, 1305, 1479, 2465, 2543, 4437, 7395, 7629, 12715, 22185, 22887, 38145, 43231, 73747, 114435, 129693, 216155, 221241, 368735, 389079, 648465, 663723, 1106205, 1253699, 1945395, 3318615, 3761097, 6268495, 11283291, 18805485, 56416455]

約数ペア:

[(1, 56416455), (3, 18805485), (5, 11283291), (9, 6268495), (15, 3761097), (17, 3318615), (29, 1945395), (45, 1253699), (51, 1106205), (85, 663723), (87, 648465), (145, 389079), (153, 368735), (255, 221241), (261, 216155), (435, 129693), (493, 114435), (765, 73747), (1305, 43231), (1479, 38145), (2465, 22887), (2543, 22185), (4437, 12715), (7395, 7629)]