249655833

素因数分解:

$3^2\times 7^2\times {\mathrm{211}}^1\times {\mathrm{2683}}^1$

素因数の和:2914

約数の個数: 36

約数和(自身を含む): 421634928

約数和(自身を除く): 171979095

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 211, 441, 633, 1477, 1899, 2683, 4431, 8049, 10339, 13293, 18781, 24147, 31017, 56343, 93051, 131467, 169029, 394401, 566113, 1183203, 1698339, 3962791, 5095017, 11888373, 27739537, 35665119, 83218611, 249655833]

約数ペア:

[(1, 249655833), (3, 83218611), (7, 35665119), (9, 27739537), (21, 11888373), (49, 5095017), (63, 3962791), (147, 1698339), (211, 1183203), (441, 566113), (633, 394401), (1477, 169029), (1899, 131467), (2683, 93051), (4431, 56343), (8049, 31017), (10339, 24147), (13293, 18781)]