1540392021

素因数分解:

$3^2\times 7^1\times {\mathrm{24450667}}^1$

素因数の和:24450680

約数の個数: 12

約数和(自身を含む): 2542869472

約数和(自身を除く): 1002477451

約数列:

[1, 3, 7, 9, 21, 63, 24450667, 73352001, 171154669, 220056003, 513464007, 1540392021]

約数ペア:

[(1, 1540392021), (3, 513464007), (7, 220056003), (9, 171154669), (21, 73352001), (63, 24450667)]