206844405

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 360087552

約数和(自身を除く): 153243147

約数列:

[1, 3, 5, 15, 23, 43, 69, 73, 115, 129, 191, 215, 219, 345, 365, 573, 645, 955, 989, 1095, 1679, 2865, 2967, 3139, 4393, 4945, 5037, 8213, 8395, 9417, 13179, 13943, 14835, 15695, 21965, 24639, 25185, 41065, 41829, 47085, 65895, 69715, 72197, 123195, 188899, 209145, 216591, 320689, 360985, 566697, 599549, 944495, 962067, 1082955, 1603445, 1798647, 2833485, 2997745, 4810335, 8993235, 13789627, 41368881, 68948135, 206844405]

約数ペア:

[(1, 206844405), (3, 68948135), (5, 41368881), (15, 13789627), (23, 8993235), (43, 4810335), (69, 2997745), (73, 2833485), (115, 1798647), (129, 1603445), (191, 1082955), (215, 962067), (219, 944495), (345, 599549), (365, 566697), (573, 360985), (645, 320689), (955, 216591), (989, 209145), (1095, 188899), (1679, 123195), (2865, 72197), (2967, 69715), (3139, 65895), (4393, 47085), (4945, 41829), (5037, 41065), (8213, 25185), (8395, 24639), (9417, 21965), (13179, 15695), (13943, 14835)]