28782645

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 48107520

約数和(自身を除く): 19324875

約数列:

[1, 3, 5, 15, 29, 87, 127, 145, 381, 435, 521, 635, 1563, 1905, 2605, 3683, 7815, 11049, 15109, 18415, 45327, 55245, 66167, 75545, 198501, 226635, 330835, 992505, 1918843, 5756529, 9594215, 28782645]

約数ペア:

[(1, 28782645), (3, 9594215), (5, 5756529), (15, 1918843), (29, 992505), (87, 330835), (127, 226635), (145, 198501), (381, 75545), (435, 66167), (521, 55245), (635, 45327), (1563, 18415), (1905, 15109), (2605, 11049), (3683, 7815)]