211681305

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{18593}}^1$

素因数の和:18638

約数の個数: 48

約数和(自身を含む): 417695616

約数和(自身を除く): 206014311

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 165, 207, 253, 345, 495, 759, 1035, 1265, 2277, 3795, 11385, 18593, 55779, 92965, 167337, 204523, 278895, 427639, 613569, 836685, 1022615, 1282917, 1840707, 2138195, 3067845, 3848751, 4704029, 6414585, 9203535, 14112087, 19243755, 23520145, 42336261, 70560435, 211681305]

約数ペア:

[(1, 211681305), (3, 70560435), (5, 42336261), (9, 23520145), (11, 19243755), (15, 14112087), (23, 9203535), (33, 6414585), (45, 4704029), (55, 3848751), (69, 3067845), (99, 2138195), (115, 1840707), (165, 1282917), (207, 1022615), (253, 836685), (345, 613569), (495, 427639), (759, 278895), (1035, 204523), (1265, 167337), (2277, 92965), (3795, 55779), (11385, 18593)]