201599199

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:677

約数の個数: 40

約数和(自身を含む): 312185808

約数和(自身を除く): 110586609

約数列:

[1, 3, 9, 27, 37, 81, 111, 137, 333, 411, 491, 999, 1233, 1473, 2997, 3699, 4419, 5069, 11097, 13257, 15207, 18167, 39771, 45621, 54501, 67267, 136863, 163503, 201801, 410589, 490509, 605403, 1471527, 1816209, 2488879, 5448627, 7466637, 22399911, 67199733, 201599199]

約数ペア:

[(1, 201599199), (3, 67199733), (9, 22399911), (27, 7466637), (37, 5448627), (81, 2488879), (111, 1816209), (137, 1471527), (333, 605403), (411, 490509), (491, 410589), (999, 201801), (1233, 163503), (1473, 136863), (2997, 67267), (3699, 54501), (4419, 45621), (5069, 39771), (11097, 18167), (13257, 15207)]