201919575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 399474432

約数和(自身を除く): 197554857

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 67, 75, 143, 165, 195, 201, 275, 281, 325, 335, 429, 715, 737, 825, 843, 871, 975, 1005, 1405, 1675, 2145, 2211, 2613, 3091, 3575, 3653, 3685, 4215, 4355, 5025, 7025, 9273, 9581, 10725, 10959, 11055, 13065, 15455, 18265, 18425, 18827, 21075, 21775, 28743, 40183, 46365, 47905, 54795, 55275, 56481, 65325, 77275, 91325, 94135, 120549, 143715, 200915, 207097, 231825, 239525, 244751, 273975, 282405, 470675, 602745, 621291, 718575, 734253, 1004575, 1035485, 1223755, 1412025, 2692261, 3013725, 3106455, 3671265, 5177425, 6118775, 8076783, 13461305, 15532275, 18356325, 40383915, 67306525, 201919575]

約数ペア:

[(1, 201919575), (3, 67306525), (5, 40383915), (11, 18356325), (13, 15532275), (15, 13461305), (25, 8076783), (33, 6118775), (39, 5177425), (55, 3671265), (65, 3106455), (67, 3013725), (75, 2692261), (143, 1412025), (165, 1223755), (195, 1035485), (201, 1004575), (275, 734253), (281, 718575), (325, 621291), (335, 602745), (429, 470675), (715, 282405), (737, 273975), (825, 244751), (843, 239525), (871, 231825), (975, 207097), (1005, 200915), (1405, 143715), (1675, 120549), (2145, 94135), (2211, 91325), (2613, 77275), (3091, 65325), (3575, 56481), (3653, 55275), (3685, 54795), (4215, 47905), (4355, 46365), (5025, 40183), (7025, 28743), (9273, 21775), (9581, 21075), (10725, 18827), (10959, 18425), (11055, 18265), (13065, 15455)]