161773281

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1231

約数の個数: 40

約数和(自身を含む): 254317800

約数和(自身を除く): 92544519

約数列:

[1, 3, 9, 27, 29, 61, 81, 87, 183, 261, 549, 783, 1129, 1647, 1769, 2349, 3387, 4941, 5307, 10161, 15921, 30483, 32741, 47763, 68869, 91449, 98223, 143289, 206607, 294669, 619821, 884007, 1859463, 1997201, 2652021, 5578389, 5991603, 17974809, 53924427, 161773281]

約数ペア:

[(1, 161773281), (3, 53924427), (9, 17974809), (27, 5991603), (29, 5578389), (61, 2652021), (81, 1997201), (87, 1859463), (183, 884007), (261, 619821), (549, 294669), (783, 206607), (1129, 143289), (1647, 98223), (1769, 91449), (2349, 68869), (3387, 47763), (4941, 32741), (5307, 30483), (10161, 15921)]