81015039

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{18637}}^1$

素因数の和:18676

約数の個数: 32

約数和(自身を含む): 143139840

約数和(自身を除く): 62124801

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 18637, 55911, 130459, 167733, 391377, 428651, 503199, 1174131, 1285953, 3000557, 3522393, 3857859, 9001671, 11573577, 27005013, 81015039]

約数ペア:

[(1, 81015039), (3, 27005013), (7, 11573577), (9, 9001671), (21, 3857859), (23, 3522393), (27, 3000557), (63, 1285953), (69, 1174131), (161, 503199), (189, 428651), (207, 391377), (483, 167733), (621, 130459), (1449, 55911), (4347, 18637)]