201555009

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{2683}}^1$

素因数の和:3197

約数の個数: 24

約数和(自身を含む): 309003552

約数和(自身を除く): 107448543

約数列:

[1, 3, 9, 17, 51, 153, 491, 1473, 2683, 4419, 8049, 8347, 24147, 25041, 45611, 75123, 136833, 410499, 1317353, 3952059, 11856177, 22395001, 67185003, 201555009]

約数ペア:

[(1, 201555009), (3, 67185003), (9, 22395001), (17, 11856177), (51, 3952059), (153, 1317353), (491, 410499), (1473, 136833), (2683, 75123), (4419, 45611), (8049, 25041), (8347, 24147)]