17493813

素因数分解:

$3^7\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 27683200

約数和(自身を除く): 10189387

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 421, 513, 729, 1263, 1539, 2187, 3789, 4617, 7999, 11367, 13851, 23997, 34101, 41553, 71991, 102303, 215973, 306909, 647919, 920727, 1943757, 5831271, 17493813]

約数ペア:

[(1, 17493813), (3, 5831271), (9, 1943757), (19, 920727), (27, 647919), (57, 306909), (81, 215973), (171, 102303), (243, 71991), (421, 41553), (513, 34101), (729, 23997), (1263, 13851), (1539, 11367), (2187, 7999), (3789, 4617)]