201791457

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{24083}}^1$

素因数の和:24122

約数の個数: 36

約数和(自身を含む): 356924880

約数和(自身を除く): 155133423

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 24083, 72249, 168581, 216747, 457577, 505743, 1180067, 1372731, 1517229, 3203039, 3540201, 4118193, 9609117, 10620603, 22421273, 28827351, 67263819, 201791457]

約数ペア:

[(1, 201791457), (3, 67263819), (7, 28827351), (9, 22421273), (19, 10620603), (21, 9609117), (49, 4118193), (57, 3540201), (63, 3203039), (133, 1517229), (147, 1372731), (171, 1180067), (399, 505743), (441, 457577), (931, 216747), (1197, 168581), (2793, 72249), (8379, 24083)]