1965286921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{206807}}^1$

素因数の和:206880

約数の個数: 16

約数和(自身を含む): 2293087104

約数和(自身を除く): 327800183

約数列:

[1, 13, 17, 43, 221, 559, 731, 9503, 206807, 2688491, 3515719, 8892701, 45704347, 115605113, 151175917, 1965286921]

約数ペア:

[(1, 1965286921), (13, 151175917), (17, 115605113), (43, 45704347), (221, 8892701), (559, 3515719), (731, 2688491), (9503, 206807)]