13015815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1217}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 22450176

約数和(自身を除く): 9434361

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 1217, 2139, 3565, 3651, 6085, 10695, 18255, 27991, 37727, 83973, 113181, 139955, 188635, 419865, 565905, 867721, 2603163, 4338605, 13015815]

約数ペア:

[(1, 13015815), (3, 4338605), (5, 2603163), (15, 867721), (23, 565905), (31, 419865), (69, 188635), (93, 139955), (115, 113181), (155, 83973), (345, 37727), (465, 27991), (713, 18255), (1217, 10695), (2139, 6085), (3565, 3651)]