20977671915

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9918521}}^1$

素因数の和:9918579

約数の個数: 24

約数和(自身を含む): 37134946368

約数和(自身を除く): 16157274453

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9918521, 29755563, 49592605, 89266689, 148777815, 446333445, 466170487, 1398511461, 2330852435, 4195534383, 6992557305, 20977671915]

約数ペア:

[(1, 20977671915), (3, 6992557305), (5, 4195534383), (9, 2330852435), (15, 1398511461), (45, 466170487), (47, 446333445), (141, 148777815), (235, 89266689), (423, 49592605), (705, 29755563), (2115, 9918521)]