28645281

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 50409216

約数和(自身を除く): 21763935

約数列:

[1, 3, 7, 9, 21, 23, 53, 63, 69, 159, 161, 207, 371, 373, 477, 483, 1113, 1119, 1219, 1449, 2611, 3339, 3357, 3657, 7833, 8533, 8579, 10971, 19769, 23499, 25599, 25737, 59307, 60053, 76797, 77211, 138383, 177921, 180159, 415149, 454687, 540477, 1245447, 1364061, 3182809, 4092183, 9548427, 28645281]

約数ペア:

[(1, 28645281), (3, 9548427), (7, 4092183), (9, 3182809), (21, 1364061), (23, 1245447), (53, 540477), (63, 454687), (69, 415149), (159, 180159), (161, 177921), (207, 138383), (371, 77211), (373, 76797), (477, 60053), (483, 59307), (1113, 25737), (1119, 25599), (1219, 23499), (1449, 19769), (2611, 10971), (3339, 8579), (3357, 8533), (3657, 7833)]