197478

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:90

約数の個数: 40

約数和(自身を含む): 470448

約数和(自身を除く): 272970

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 53, 54, 69, 81, 106, 138, 159, 162, 207, 318, 414, 477, 621, 954, 1219, 1242, 1431, 1863, 2438, 2862, 3657, 3726, 4293, 7314, 8586, 10971, 21942, 32913, 65826, 98739, 197478]

約数ペア:

[(1, 197478), (2, 98739), (3, 65826), (6, 32913), (9, 21942), (18, 10971), (23, 8586), (27, 7314), (46, 4293), (53, 3726), (54, 3657), (69, 2862), (81, 2438), (106, 1863), (138, 1431), (159, 1242), (162, 1219), (207, 954), (318, 621), (414, 477)]