81755892

素因数分解:

$2^2\times 3^6\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 126

約数和(自身を含む): 228474162

約数和(自身を除く): 146718270

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 53, 54, 69, 81, 92, 106, 108, 138, 159, 162, 207, 212, 243, 276, 318, 324, 414, 477, 486, 529, 621, 636, 729, 828, 954, 972, 1058, 1219, 1242, 1431, 1458, 1587, 1863, 1908, 2116, 2438, 2484, 2862, 2916, 3174, 3657, 3726, 4293, 4761, 4876, 5589, 5724, 6348, 7314, 7452, 8586, 9522, 10971, 11178, 12879, 14283, 14628, 16767, 17172, 19044, 21942, 22356, 25758, 28037, 28566, 32913, 33534, 38637, 42849, 43884, 51516, 56074, 57132, 65826, 67068, 77274, 84111, 85698, 98739, 112148, 128547, 131652, 154548, 168222, 171396, 197478, 252333, 257094, 296217, 336444, 385641, 394956, 504666, 514188, 592434, 756999, 771282, 888651, 1009332, 1184868, 1513998, 1542564, 1777302, 2270997, 3027996, 3554604, 4541994, 6812991, 9083988, 13625982, 20438973, 27251964, 40877946, 81755892]

約数ペア:

[(1, 81755892), (2, 40877946), (3, 27251964), (4, 20438973), (6, 13625982), (9, 9083988), (12, 6812991), (18, 4541994), (23, 3554604), (27, 3027996), (36, 2270997), (46, 1777302), (53, 1542564), (54, 1513998), (69, 1184868), (81, 1009332), (92, 888651), (106, 771282), (108, 756999), (138, 592434), (159, 514188), (162, 504666), (207, 394956), (212, 385641), (243, 336444), (276, 296217), (318, 257094), (324, 252333), (414, 197478), (477, 171396), (486, 168222), (529, 154548), (621, 131652), (636, 128547), (729, 112148), (828, 98739), (954, 85698), (972, 84111), (1058, 77274), (1219, 67068), (1242, 65826), (1431, 57132), (1458, 56074), (1587, 51516), (1863, 43884), (1908, 42849), (2116, 38637), (2438, 33534), (2484, 32913), (2862, 28566), (2916, 28037), (3174, 25758), (3657, 22356), (3726, 21942), (4293, 19044), (4761, 17172), (4876, 16767), (5589, 14628), (5724, 14283), (6348, 12879), (7314, 11178), (7452, 10971), (8586, 9522)]