13681359

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 21297600

約数和(自身を除く): 7616241

約数列:

[1, 3, 9, 27, 29, 87, 101, 173, 261, 303, 519, 783, 909, 1557, 2727, 2929, 4671, 5017, 8787, 15051, 17473, 26361, 45153, 52419, 79083, 135459, 157257, 471771, 506717, 1520151, 4560453, 13681359]

約数ペア:

[(1, 13681359), (3, 4560453), (9, 1520151), (27, 506717), (29, 471771), (87, 157257), (101, 135459), (173, 79083), (261, 52419), (303, 45153), (519, 26361), (783, 17473), (909, 15051), (1557, 8787), (2727, 5017), (2929, 4671)]