2761245

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1427}}^1$

素因数の和:1481

約数の個数: 24

約数和(自身を含む): 4900896

約数和(自身を除く): 2139651

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1427, 1935, 4281, 7135, 12843, 21405, 61361, 64215, 184083, 306805, 552249, 920415, 2761245]

約数ペア:

[(1, 2761245), (3, 920415), (5, 552249), (9, 306805), (15, 184083), (43, 64215), (45, 61361), (129, 21405), (215, 12843), (387, 7135), (645, 4281), (1427, 1935)]