23211225

素因数分解:

$3^3\times 5^2\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 43122240

約数和(自身を除く): 19911015

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 137, 225, 251, 411, 675, 685, 753, 1233, 1255, 2055, 2259, 3425, 3699, 3765, 6165, 6275, 6777, 10275, 11295, 18495, 18825, 30825, 33885, 34387, 56475, 92475, 103161, 169425, 171935, 309483, 515805, 859675, 928449, 1547415, 2579025, 4642245, 7737075, 23211225]

約数ペア:

[(1, 23211225), (3, 7737075), (5, 4642245), (9, 2579025), (15, 1547415), (25, 928449), (27, 859675), (45, 515805), (75, 309483), (135, 171935), (137, 169425), (225, 103161), (251, 92475), (411, 56475), (675, 34387), (685, 33885), (753, 30825), (1233, 18825), (1255, 18495), (2055, 11295), (2259, 10275), (3425, 6777), (3699, 6275), (3765, 6165)]