28453785

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 47520000

約数和(自身を除く): 19066215

約数列:

[1, 3, 5, 15, 29, 87, 145, 149, 435, 439, 447, 745, 1317, 2195, 2235, 4321, 6585, 12731, 12963, 21605, 38193, 63655, 64815, 65411, 190965, 196233, 327055, 981165, 1896919, 5690757, 9484595, 28453785]

約数ペア:

[(1, 28453785), (3, 9484595), (5, 5690757), (15, 1896919), (29, 981165), (87, 327055), (145, 196233), (149, 190965), (435, 65411), (439, 64815), (447, 63655), (745, 38193), (1317, 21605), (2195, 12963), (2235, 12731), (4321, 6585)]