27158481

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 47044608

約数和(自身を除く): 19886127

約数列:

[1, 3, 7, 9, 21, 37, 61, 63, 111, 183, 191, 259, 333, 427, 549, 573, 777, 1281, 1337, 1719, 2257, 2331, 3843, 4011, 6771, 7067, 11651, 12033, 15799, 20313, 21201, 34953, 47397, 49469, 63603, 81557, 104859, 142191, 148407, 244671, 431087, 445221, 734013, 1293261, 3017609, 3879783, 9052827, 27158481]

約数ペア:

[(1, 27158481), (3, 9052827), (7, 3879783), (9, 3017609), (21, 1293261), (37, 734013), (61, 445221), (63, 431087), (111, 244671), (183, 148407), (191, 142191), (259, 104859), (333, 81557), (427, 63603), (549, 49469), (573, 47397), (777, 34953), (1281, 21201), (1337, 20313), (1719, 15799), (2257, 12033), (2331, 11651), (3843, 7067), (4011, 6771)]