28465173

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 48609600

約数和(自身を除く): 20144427

約数列:

[1, 3, 9, 11, 19, 33, 37, 57, 99, 111, 171, 209, 333, 407, 409, 627, 703, 1221, 1227, 1881, 2109, 3663, 3681, 4499, 6327, 7733, 7771, 13497, 15133, 23199, 23313, 40491, 45399, 69597, 69939, 85481, 136197, 166463, 256443, 287527, 499389, 769329, 862581, 1498167, 2587743, 3162797, 9488391, 28465173]

約数ペア:

[(1, 28465173), (3, 9488391), (9, 3162797), (11, 2587743), (19, 1498167), (33, 862581), (37, 769329), (57, 499389), (99, 287527), (111, 256443), (171, 166463), (209, 136197), (333, 85481), (407, 69939), (409, 69597), (627, 45399), (703, 40491), (1221, 23313), (1227, 23199), (1881, 15133), (2109, 13497), (3663, 7771), (3681, 7733), (4499, 6327)]