71991915

素因数分解:

$3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{21143}}^1$

素因数の和:21378

約数の個数: 16

約数和(自身を含む): 115699968

約数和(自身を除く): 43708053

約数列:

[1, 3, 5, 15, 227, 681, 1135, 3405, 21143, 63429, 105715, 317145, 4799461, 14398383, 23997305, 71991915]

約数ペア:

[(1, 71991915), (3, 23997305), (5, 14398383), (15, 4799461), (227, 317145), (681, 105715), (1135, 63429), (3405, 21143)]