1487241

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 40

約数和(自身を含む): 2640704

約数和(自身を除く): 1153463

約数列:

[1, 3, 7, 9, 21, 27, 43, 61, 63, 81, 129, 183, 189, 301, 387, 427, 549, 567, 903, 1161, 1281, 1647, 2623, 2709, 3483, 3843, 4941, 7869, 8127, 11529, 18361, 23607, 24381, 34587, 55083, 70821, 165249, 212463, 495747, 1487241]

約数ペア:

[(1, 1487241), (3, 495747), (7, 212463), (9, 165249), (21, 70821), (27, 55083), (43, 34587), (61, 24381), (63, 23607), (81, 18361), (129, 11529), (183, 8127), (189, 7869), (301, 4941), (387, 3843), (427, 3483), (549, 2709), (567, 2623), (903, 1647), (1161, 1281)]