81412305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4691}}^1$

素因数の和:4801

約数の個数: 32

約数和(自身を含む): 141886080

約数和(自身を除く): 60473775

約数列:

[1, 3, 5, 13, 15, 39, 65, 89, 195, 267, 445, 1157, 1335, 3471, 4691, 5785, 14073, 17355, 23455, 60983, 70365, 182949, 304915, 417499, 914745, 1252497, 2087495, 5427487, 6262485, 16282461, 27137435, 81412305]

約数ペア:

[(1, 81412305), (3, 27137435), (5, 16282461), (13, 6262485), (15, 5427487), (39, 2087495), (65, 1252497), (89, 914745), (195, 417499), (267, 304915), (445, 182949), (1157, 70365), (1335, 60983), (3471, 23455), (4691, 17355), (5785, 14073)]