1230723

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 1955408

約数和(自身を除く): 724685

約数列:

[1, 3, 9, 13, 39, 67, 117, 157, 201, 471, 603, 871, 1413, 2041, 2613, 6123, 7839, 10519, 18369, 31557, 94671, 136747, 410241, 1230723]

約数ペア:

[(1, 1230723), (3, 410241), (9, 136747), (13, 94671), (39, 31557), (67, 18369), (117, 10519), (157, 7839), (201, 6123), (471, 2613), (603, 2041), (871, 1413)]