15866145

素因数分解:

$3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{557}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 28391040

約数和(自身を除く): 12524895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211, 557, 633, 1055, 1671, 1899, 2785, 3165, 5013, 5697, 8355, 9495, 15039, 25065, 28485, 75195, 117527, 352581, 587635, 1057743, 1762905, 3173229, 5288715, 15866145]

約数ペア:

[(1, 15866145), (3, 5288715), (5, 3173229), (9, 1762905), (15, 1057743), (27, 587635), (45, 352581), (135, 117527), (211, 75195), (557, 28485), (633, 25065), (1055, 15039), (1671, 9495), (1899, 8355), (2785, 5697), (3165, 5013)]