181232355

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 320532480

約数和(自身を除く): 139300125

約数列:

[1, 3, 5, 15, 19, 31, 57, 73, 93, 95, 155, 219, 281, 285, 365, 465, 589, 843, 1095, 1387, 1405, 1767, 2263, 2945, 4161, 4215, 5339, 6789, 6935, 8711, 8835, 11315, 16017, 20513, 20805, 26133, 26695, 33945, 42997, 43555, 61539, 80085, 102565, 128991, 130665, 165509, 214985, 307695, 389747, 496527, 635903, 644955, 827545, 1169241, 1907709, 1948735, 2482635, 3179515, 5846205, 9538545, 12082157, 36246471, 60410785, 181232355]

約数ペア:

[(1, 181232355), (3, 60410785), (5, 36246471), (15, 12082157), (19, 9538545), (31, 5846205), (57, 3179515), (73, 2482635), (93, 1948735), (95, 1907709), (155, 1169241), (219, 827545), (281, 644955), (285, 635903), (365, 496527), (465, 389747), (589, 307695), (843, 214985), (1095, 165509), (1387, 130665), (1405, 128991), (1767, 102565), (2263, 80085), (2945, 61539), (4161, 43555), (4215, 42997), (5339, 33945), (6789, 26695), (6935, 26133), (8711, 20805), (8835, 20513), (11315, 16017)]