28895865

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1913}}^1$

素因数の和:1993

約数の個数: 32

約数和(自身を含む): 49610880

約数和(自身を除く): 20715015

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 795, 1007, 1913, 3021, 5035, 5739, 9565, 15105, 28695, 36347, 101389, 109041, 181735, 304167, 506945, 545205, 1520835, 1926391, 5779173, 9631955, 28895865]

約数ペア:

[(1, 28895865), (3, 9631955), (5, 5779173), (15, 1926391), (19, 1520835), (53, 545205), (57, 506945), (95, 304167), (159, 181735), (265, 109041), (285, 101389), (795, 36347), (1007, 28695), (1913, 15105), (3021, 9565), (5035, 5739)]