87998481

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{57179}}^1$

素因数の和:57210

約数の個数: 20

約数和(自身を含む): 138375600

約数和(自身を除く): 50377119

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 57179, 171537, 514611, 1086401, 1543833, 3259203, 4631499, 9777609, 29332827, 87998481]

約数ペア:

[(1, 87998481), (3, 29332827), (9, 9777609), (19, 4631499), (27, 3259203), (57, 1543833), (81, 1086401), (171, 514611), (513, 171537), (1539, 57179)]