39980313

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 64022400

約数和(自身を除く): 24042087

約数列:

[1, 3, 9, 19, 37, 57, 71, 89, 111, 171, 213, 267, 333, 639, 703, 801, 1349, 1691, 2109, 2627, 3293, 4047, 5073, 6319, 6327, 7881, 9879, 12141, 15219, 18957, 23643, 29637, 49913, 56871, 62567, 120061, 149739, 187701, 233803, 360183, 449217, 563103, 701409, 1080549, 2104227, 4442257, 13326771, 39980313]

約数ペア:

[(1, 39980313), (3, 13326771), (9, 4442257), (19, 2104227), (37, 1080549), (57, 701409), (71, 563103), (89, 449217), (111, 360183), (171, 233803), (213, 187701), (267, 149739), (333, 120061), (639, 62567), (703, 56871), (801, 49913), (1349, 29637), (1691, 23643), (2109, 18957), (2627, 15219), (3293, 12141), (4047, 9879), (5073, 7881), (6319, 6327)]