289772217

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{36217}}^1$

素因数の和:36357

約数の個数: 24

約数和(自身を含む): 482134016

約数和(自身を除く): 192361799

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 36217, 108651, 253519, 325953, 760557, 2281671, 4599559, 13798677, 32196913, 41396031, 96590739, 289772217]

約数ペア:

[(1, 289772217), (3, 96590739), (7, 41396031), (9, 32196913), (21, 13798677), (63, 4599559), (127, 2281671), (381, 760557), (889, 325953), (1143, 253519), (2667, 108651), (8001, 36217)]