81900305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{751}}^1\times {\mathrm{1283}}^1$

素因数の和:2056

約数の個数: 16

約数和(自身を含む): 104281344

約数和(自身を除く): 22381039

約数列:

[1, 5, 17, 85, 751, 1283, 3755, 6415, 12767, 21811, 63835, 109055, 963533, 4817665, 16380061, 81900305]

約数ペア:

[(1, 81900305), (5, 16380061), (17, 4817665), (85, 963533), (751, 109055), (1283, 63835), (3755, 21811), (6415, 12767)]