1238013

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 2095808

約数和(自身を除く): 857795

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 457, 903, 1371, 2709, 3199, 4113, 9597, 19651, 28791, 58953, 137557, 176859, 412671, 1238013]

約数ペア:

[(1, 1238013), (3, 412671), (7, 176859), (9, 137557), (21, 58953), (43, 28791), (63, 19651), (129, 9597), (301, 4113), (387, 3199), (457, 2709), (903, 1371)]