42906915

素因数分解:

$3^4\times 5^1\times {\mathrm{105943}}^1$

素因数の和:105960

約数の個数: 20

約数和(自身を含む): 76915344

約数和(自身を除く): 34008429

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 105943, 317829, 529715, 953487, 1589145, 2860461, 4767435, 8581383, 14302305, 42906915]

約数ペア:

[(1, 42906915), (3, 14302305), (5, 8581383), (9, 4767435), (15, 2860461), (27, 1589145), (45, 953487), (81, 529715), (135, 317829), (405, 105943)]