812778045

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1260121}}^1$

素因数の和:1260172

約数の個数: 16

約数和(自身を含む): 1330688832

約数和(自身を除く): 517910787

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 1260121, 3780363, 6300605, 18901815, 54185203, 162555609, 270926015, 812778045]

約数ペア:

[(1, 812778045), (3, 270926015), (5, 162555609), (15, 54185203), (43, 18901815), (129, 6300605), (215, 3780363), (645, 1260121)]