211037463

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 386161776

約数和(自身を除く): 175124313

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 131, 147, 273, 281, 393, 441, 637, 819, 843, 917, 1179, 1703, 1911, 1967, 2529, 2751, 3653, 5109, 5733, 5901, 6419, 8253, 10959, 11921, 13769, 15327, 17703, 19257, 25571, 32877, 35763, 36811, 41307, 57771, 76713, 83447, 107289, 110433, 123921, 178997, 230139, 250341, 257677, 331299, 478543, 536991, 751023, 773031, 1435629, 1610973, 1803739, 2319093, 3349801, 4306887, 5411217, 10049403, 16233651, 23448607, 30148209, 70345821, 211037463]

約数ペア:

[(1, 211037463), (3, 70345821), (7, 30148209), (9, 23448607), (13, 16233651), (21, 10049403), (39, 5411217), (49, 4306887), (63, 3349801), (91, 2319093), (117, 1803739), (131, 1610973), (147, 1435629), (273, 773031), (281, 751023), (393, 536991), (441, 478543), (637, 331299), (819, 257677), (843, 250341), (917, 230139), (1179, 178997), (1703, 123921), (1911, 110433), (1967, 107289), (2529, 83447), (2751, 76713), (3653, 57771), (5109, 41307), (5733, 36811), (5901, 35763), (6419, 32877), (8253, 25571), (10959, 19257), (11921, 17703), (13769, 15327)]