855471015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{211}}^2$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 1730630304

約数和(自身を除く): 875159289

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 211, 305, 315, 427, 549, 633, 915, 1055, 1281, 1477, 1899, 2135, 2745, 3165, 3843, 4431, 6405, 7385, 9495, 12871, 13293, 19215, 22155, 38613, 44521, 64355, 66465, 90097, 115839, 133563, 193065, 222605, 270291, 311647, 400689, 450485, 579195, 667815, 810873, 934941, 1351455, 1558235, 2003445, 2715781, 2804823, 4054365, 4674705, 8147343, 13578905, 14024115, 19010467, 24442029, 40736715, 57031401, 95052335, 122210145, 171094203, 285157005, 855471015]

約数ペア:

[(1, 855471015), (3, 285157005), (5, 171094203), (7, 122210145), (9, 95052335), (15, 57031401), (21, 40736715), (35, 24442029), (45, 19010467), (61, 14024115), (63, 13578905), (105, 8147343), (183, 4674705), (211, 4054365), (305, 2804823), (315, 2715781), (427, 2003445), (549, 1558235), (633, 1351455), (915, 934941), (1055, 810873), (1281, 667815), (1477, 579195), (1899, 450485), (2135, 400689), (2745, 311647), (3165, 270291), (3843, 222605), (4431, 193065), (6405, 133563), (7385, 115839), (9495, 90097), (12871, 66465), (13293, 64355), (19215, 44521), (22155, 38613)]