231566013

素因数分解:

$3^3\times 7^2\times {\mathrm{383}}^1\times {\mathrm{457}}^1$

素因数の和:863

約数の個数: 48

約数和(自身を含む): 400988160

約数和(自身を除く): 169422147

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 383, 441, 457, 1149, 1323, 1371, 2681, 3199, 3447, 4113, 8043, 9597, 10341, 12339, 18767, 22393, 24129, 28791, 56301, 67179, 72387, 86373, 168903, 175031, 201537, 506709, 525093, 604611, 1225217, 1575279, 3675651, 4725837, 8576519, 11026953, 25729557, 33080859, 77188671, 231566013]

約数ペア:

[(1, 231566013), (3, 77188671), (7, 33080859), (9, 25729557), (21, 11026953), (27, 8576519), (49, 4725837), (63, 3675651), (147, 1575279), (189, 1225217), (383, 604611), (441, 525093), (457, 506709), (1149, 201537), (1323, 175031), (1371, 168903), (2681, 86373), (3199, 72387), (3447, 67179), (4113, 56301), (8043, 28791), (9597, 24129), (10341, 22393), (12339, 18767)]