18268575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 33393696

約数和(自身を除く): 15125121

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 195, 205, 325, 457, 533, 615, 975, 1025, 1371, 1599, 2285, 2665, 3075, 5941, 6855, 7995, 11425, 13325, 17823, 18737, 29705, 34275, 39975, 56211, 89115, 93685, 148525, 243581, 281055, 445575, 468425, 730743, 1217905, 1405275, 3653715, 6089525, 18268575]

約数ペア:

[(1, 18268575), (3, 6089525), (5, 3653715), (13, 1405275), (15, 1217905), (25, 730743), (39, 468425), (41, 445575), (65, 281055), (75, 243581), (123, 148525), (195, 93685), (205, 89115), (325, 56211), (457, 39975), (533, 34275), (615, 29705), (975, 18737), (1025, 17823), (1371, 13325), (1599, 11425), (2285, 7995), (2665, 6855), (3075, 5941)]