71451639

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5479}}^1$

素因数の和:5521

約数の個数: 40

約数和(自身を含む): 127311360

約数和(自身を除く): 55859721

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1449, 1863, 4347, 5479, 13041, 16437, 38353, 49311, 115059, 126017, 147933, 345177, 378051, 443799, 882119, 1035531, 1134153, 2646357, 3106593, 3402459, 7939071, 10207377, 23817213, 71451639]

約数ペア:

[(1, 71451639), (3, 23817213), (7, 10207377), (9, 7939071), (21, 3402459), (23, 3106593), (27, 2646357), (63, 1134153), (69, 1035531), (81, 882119), (161, 443799), (189, 378051), (207, 345177), (483, 147933), (567, 126017), (621, 115059), (1449, 49311), (1863, 38353), (4347, 16437), (5479, 13041)]