9978813

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 17100720

約数和(自身を除く): 7121907

約数列:

[1, 3, 9, 13, 17, 29, 39, 51, 87, 117, 153, 173, 221, 261, 377, 493, 519, 663, 1131, 1479, 1557, 1989, 2249, 2941, 3393, 4437, 5017, 6409, 6747, 8823, 15051, 19227, 20241, 26469, 38233, 45153, 57681, 65221, 85289, 114699, 195663, 255867, 344097, 586989, 767601, 1108757, 3326271, 9978813]

約数ペア:

[(1, 9978813), (3, 3326271), (9, 1108757), (13, 767601), (17, 586989), (29, 344097), (39, 255867), (51, 195663), (87, 114699), (117, 85289), (153, 65221), (173, 57681), (221, 45153), (261, 38233), (377, 26469), (493, 20241), (519, 19227), (663, 15051), (1131, 8823), (1479, 6747), (1557, 6409), (1989, 5017), (2249, 4437), (2941, 3393)]