213549825

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2879}}^1$

素因数の和:2958

約数の個数: 48

約数和(自身を含む): 377118720

約数和(自身を除く): 163568895

約数列:

[1, 3, 5, 15, 23, 25, 43, 69, 75, 115, 129, 215, 345, 575, 645, 989, 1075, 1725, 2879, 2967, 3225, 4945, 8637, 14395, 14835, 24725, 43185, 66217, 71975, 74175, 123797, 198651, 215925, 331085, 371391, 618985, 993255, 1655425, 1856955, 2847331, 3094925, 4966275, 8541993, 9284775, 14236655, 42709965, 71183275, 213549825]

約数ペア:

[(1, 213549825), (3, 71183275), (5, 42709965), (15, 14236655), (23, 9284775), (25, 8541993), (43, 4966275), (69, 3094925), (75, 2847331), (115, 1856955), (129, 1655425), (215, 993255), (345, 618985), (575, 371391), (645, 331085), (989, 215925), (1075, 198651), (1725, 123797), (2879, 74175), (2967, 71975), (3225, 66217), (4945, 43185), (8637, 24725), (14395, 14835)]