728506899

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 1202964480

約数和(自身を除く): 474457581

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 151, 153, 207, 391, 453, 457, 459, 621, 1173, 1359, 1371, 2567, 3473, 3519, 4077, 4113, 7701, 7769, 10419, 10511, 10557, 12339, 23103, 23307, 31257, 31533, 59041, 69007, 69309, 69921, 93771, 94599, 177123, 178687, 207021, 209763, 283797, 531369, 536061, 621063, 1173119, 1587161, 1594107, 1608183, 1863189, 3519357, 4761483, 4824549, 10558071, 14284449, 26981737, 31674213, 42853347, 80945211, 242835633, 728506899]

約数ペア:

[(1, 728506899), (3, 242835633), (9, 80945211), (17, 42853347), (23, 31674213), (27, 26981737), (51, 14284449), (69, 10558071), (151, 4824549), (153, 4761483), (207, 3519357), (391, 1863189), (453, 1608183), (457, 1594107), (459, 1587161), (621, 1173119), (1173, 621063), (1359, 536061), (1371, 531369), (2567, 283797), (3473, 209763), (3519, 207021), (4077, 178687), (4113, 177123), (7701, 94599), (7769, 93771), (10419, 69921), (10511, 69309), (10557, 69007), (12339, 59041), (23103, 31533), (23307, 31257)]