211580187

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2089}}^1$

素因数の和:2172

約数の個数: 48

約数和(自身を含む): 360249120

約数和(自身を除く): 148668933

約数列:

[1, 3, 7, 13, 21, 39, 49, 53, 91, 147, 159, 273, 371, 637, 689, 1113, 1911, 2067, 2089, 2597, 4823, 6267, 7791, 14469, 14623, 27157, 33761, 43869, 81471, 101283, 102361, 110717, 190099, 307083, 332151, 570297, 775019, 1330693, 1439321, 2325057, 3992079, 4317963, 5425133, 10075247, 16275399, 30225741, 70526729, 211580187]

約数ペア:

[(1, 211580187), (3, 70526729), (7, 30225741), (13, 16275399), (21, 10075247), (39, 5425133), (49, 4317963), (53, 3992079), (91, 2325057), (147, 1439321), (159, 1330693), (273, 775019), (371, 570297), (637, 332151), (689, 307083), (1113, 190099), (1911, 110717), (2067, 102361), (2089, 101283), (2597, 81471), (4823, 43869), (6267, 33761), (7791, 27157), (14469, 14623)]