42797565

素因数分解:

$3^4\times 5^1\times {\mathrm{105673}}^1$

素因数の和:105690

約数の個数: 20

約数和(自身を含む): 76719324

約数和(自身を除く): 33921759

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 105673, 317019, 528365, 951057, 1585095, 2853171, 4755285, 8559513, 14265855, 42797565]

約数ペア:

[(1, 42797565), (3, 14265855), (5, 8559513), (9, 4755285), (15, 2853171), (27, 1585095), (45, 951057), (81, 528365), (135, 317019), (405, 105673)]