28613355

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 47236608

約数和(自身を除く): 18623253

約数列:

[1, 3, 5, 15, 67, 71, 201, 213, 335, 355, 401, 1005, 1065, 1203, 2005, 4757, 6015, 14271, 23785, 26867, 28471, 71355, 80601, 85413, 134335, 142355, 403005, 427065, 1907557, 5722671, 9537785, 28613355]

約数ペア:

[(1, 28613355), (3, 9537785), (5, 5722671), (15, 1907557), (67, 427065), (71, 403005), (201, 142355), (213, 134335), (335, 85413), (355, 80601), (401, 71355), (1005, 28471), (1065, 26867), (1203, 23785), (2005, 14271), (4757, 6015)]