201978693

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{68213}}^1$

素因数の和:68273

約数の個数: 24

約数和(自身を含む): 340524288

約数和(自身を除く): 138545595

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 68213, 204639, 477491, 613917, 1432473, 3206011, 4297419, 9618033, 22442077, 28854099, 67326231, 201978693]

約数ペア:

[(1, 201978693), (3, 67326231), (7, 28854099), (9, 22442077), (21, 9618033), (47, 4297419), (63, 3206011), (141, 1432473), (329, 613917), (423, 477491), (987, 204639), (2961, 68213)]