201721914

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{54139}}^1$

素因数の和:54176

約数の個数: 40

約数和(自身を含む): 471667680

約数和(自身を除く): 269945766

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 54139, 108278, 162417, 324834, 487251, 974502, 1245197, 1461753, 2490394, 2923506, 3735591, 4385259, 7471182, 8770518, 11206773, 22413546, 33620319, 67240638, 100860957, 201721914]

約数ペア:

[(1, 201721914), (2, 100860957), (3, 67240638), (6, 33620319), (9, 22413546), (18, 11206773), (23, 8770518), (27, 7471182), (46, 4385259), (54, 3735591), (69, 2923506), (81, 2490394), (138, 1461753), (162, 1245197), (207, 974502), (414, 487251), (621, 324834), (1242, 162417), (1863, 108278), (3726, 54139)]