665298

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{1607}}^1$

素因数の和:1638

約数の個数: 24

約数和(自身を含む): 1505088

約数和(自身を除く): 839790

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 1607, 3214, 4821, 9642, 14463, 28926, 36961, 73922, 110883, 221766, 332649, 665298]

約数ペア:

[(1, 665298), (2, 332649), (3, 221766), (6, 110883), (9, 73922), (18, 36961), (23, 28926), (46, 14463), (69, 9642), (138, 4821), (207, 3214), (414, 1607)]