205721037

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{22699}}^1$

素因数の和:22777

約数の個数: 24

約数和(自身を含む): 318708000

約数和(自身を除く): 112986963

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 477, 1007, 3021, 9063, 22699, 68097, 204291, 431281, 1203047, 1293843, 3609141, 3881529, 10827423, 22857893, 68573679, 205721037]

約数ペア:

[(1, 205721037), (3, 68573679), (9, 22857893), (19, 10827423), (53, 3881529), (57, 3609141), (159, 1293843), (171, 1203047), (477, 431281), (1007, 204291), (3021, 68097), (9063, 22699)]