13309400061

素因数分解:

$3^4\times {\mathrm{691}}^1\times {\mathrm{237791}}^1$

素因数の和:238494

約数の個数: 20

約数和(自身を含む): 19910799744

約数和(自身を除く): 6601399683

約数列:

[1, 3, 9, 27, 81, 691, 2073, 6219, 18657, 55971, 237791, 713373, 2140119, 6420357, 19261071, 164313581, 492940743, 1478822229, 4436466687, 13309400061]

約数ペア:

[(1, 13309400061), (3, 4436466687), (9, 1478822229), (27, 492940743), (81, 164313581), (691, 19261071), (2073, 6420357), (6219, 2140119), (18657, 713373), (55971, 237791)]