28553655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{809}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 49533120

約数和(自身を除く): 20979465

約数列:

[1, 3, 5, 13, 15, 39, 65, 181, 195, 543, 809, 905, 2353, 2427, 2715, 4045, 7059, 10517, 11765, 12135, 31551, 35295, 52585, 146429, 157755, 439287, 732145, 1903577, 2196435, 5710731, 9517885, 28553655]

約数ペア:

[(1, 28553655), (3, 9517885), (5, 5710731), (13, 2196435), (15, 1903577), (39, 732145), (65, 439287), (181, 157755), (195, 146429), (543, 52585), (809, 35295), (905, 31551), (2353, 12135), (2427, 11765), (2715, 10517), (4045, 7059)]