261337329

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{49807}}^1$

素因数の和:49877

約数の個数: 24

約数和(自身を含む): 419582592

約数和(自身を除く): 158245263

約数列:

[1, 3, 9, 11, 33, 53, 99, 159, 477, 583, 1749, 5247, 49807, 149421, 448263, 547877, 1643631, 2639771, 4930893, 7919313, 23757939, 29037481, 87112443, 261337329]

約数ペア:

[(1, 261337329), (3, 87112443), (9, 29037481), (11, 23757939), (33, 7919313), (53, 4930893), (99, 2639771), (159, 1643631), (477, 547877), (583, 448263), (1749, 149421), (5247, 49807)]