28977195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{821}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 50266944

約数和(自身を除く): 21289749

約数列:

[1, 3, 5, 13, 15, 39, 65, 181, 195, 543, 821, 905, 2353, 2463, 2715, 4105, 7059, 10673, 11765, 12315, 32019, 35295, 53365, 148601, 160095, 445803, 743005, 1931813, 2229015, 5795439, 9659065, 28977195]

約数ペア:

[(1, 28977195), (3, 9659065), (5, 5795439), (13, 2229015), (15, 1931813), (39, 743005), (65, 445803), (181, 160095), (195, 148601), (543, 53365), (821, 35295), (905, 32019), (2353, 12315), (2463, 11765), (2715, 10673), (4105, 7059)]