28176813

素因数分解:

$3^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{353}}^1$

素因数の和:554

約数の個数: 36

約数和(自身を含む): 47741148

約数和(自身を除く): 19564335

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 181, 353, 441, 543, 1059, 1267, 1629, 2471, 3177, 3801, 7413, 8869, 11403, 17297, 22239, 26607, 51891, 63893, 79821, 155673, 191679, 447251, 575037, 1341753, 3130757, 4025259, 9392271, 28176813]

約数ペア:

[(1, 28176813), (3, 9392271), (7, 4025259), (9, 3130757), (21, 1341753), (49, 575037), (63, 447251), (147, 191679), (181, 155673), (353, 79821), (441, 63893), (543, 51891), (1059, 26607), (1267, 22239), (1629, 17297), (2471, 11403), (3177, 8869), (3801, 7413)]