1245840195

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 2128508928

約数和(自身を除く): 882668733

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 181, 213, 281, 345, 355, 543, 843, 905, 1065, 1405, 1633, 2715, 4163, 4215, 4899, 6463, 8165, 12489, 12851, 19389, 19951, 20815, 24495, 32315, 38553, 50861, 59853, 62445, 64255, 96945, 99755, 152583, 192765, 254305, 295573, 299265, 458873, 762915, 886719, 1169803, 1376619, 1477865, 2294365, 3509409, 3611131, 4433595, 5849015, 6883095, 10833393, 17547045, 18055655, 54166965, 83056013, 249168039, 415280065, 1245840195]

約数ペア:

[(1, 1245840195), (3, 415280065), (5, 249168039), (15, 83056013), (23, 54166965), (69, 18055655), (71, 17547045), (115, 10833393), (181, 6883095), (213, 5849015), (281, 4433595), (345, 3611131), (355, 3509409), (543, 2294365), (843, 1477865), (905, 1376619), (1065, 1169803), (1405, 886719), (1633, 762915), (2715, 458873), (4163, 299265), (4215, 295573), (4899, 254305), (6463, 192765), (8165, 152583), (12489, 99755), (12851, 96945), (19389, 64255), (19951, 62445), (20815, 59853), (24495, 50861), (32315, 38553)]