17901969

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 26593920

約数和(自身を除く): 8691951

約数列:

[1, 3, 17, 37, 51, 53, 111, 159, 179, 537, 629, 901, 1887, 1961, 2703, 3043, 5883, 6623, 9129, 9487, 19869, 28461, 33337, 100011, 112591, 161279, 337773, 351019, 483837, 1053057, 5967323, 17901969]

約数ペア:

[(1, 17901969), (3, 5967323), (17, 1053057), (37, 483837), (51, 351019), (53, 337773), (111, 161279), (159, 112591), (179, 100011), (537, 33337), (629, 28461), (901, 19869), (1887, 9487), (1961, 9129), (2703, 6623), (3043, 5883)]