42604065

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 84928896

約数和(自身を除く): 42324831

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 211, 315, 633, 641, 1055, 1477, 1899, 1923, 3165, 3205, 4431, 4487, 5769, 7385, 9495, 9615, 13293, 13461, 22155, 22435, 28845, 40383, 66465, 67305, 135251, 201915, 405753, 676255, 946757, 1217259, 2028765, 2840271, 4733785, 6086295, 8520813, 14201355, 42604065]

約数ペア:

[(1, 42604065), (3, 14201355), (5, 8520813), (7, 6086295), (9, 4733785), (15, 2840271), (21, 2028765), (35, 1217259), (45, 946757), (63, 676255), (105, 405753), (211, 201915), (315, 135251), (633, 67305), (641, 66465), (1055, 40383), (1477, 28845), (1899, 22435), (1923, 22155), (3165, 13461), (3205, 13293), (4431, 9615), (4487, 9495), (5769, 7385)]