8280207

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 14309568

約数和(自身を除く): 6029361

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 181, 207, 221, 299, 391, 543, 663, 897, 1173, 1629, 1989, 2353, 2691, 3077, 3519, 4163, 5083, 7059, 9231, 12489, 15249, 21177, 27693, 37467, 40001, 45747, 54119, 70771, 120003, 162357, 212313, 360009, 487071, 636939, 920023, 2760069, 8280207]

約数ペア:

[(1, 8280207), (3, 2760069), (9, 920023), (13, 636939), (17, 487071), (23, 360009), (39, 212313), (51, 162357), (69, 120003), (117, 70771), (153, 54119), (181, 45747), (207, 40001), (221, 37467), (299, 27693), (391, 21177), (543, 15249), (663, 12489), (897, 9231), (1173, 7059), (1629, 5083), (1989, 4163), (2353, 3519), (2691, 3077)]