661179309

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 1099929600

約数和(自身を除く): 438750291

約数列:

[1, 3, 7, 19, 21, 43, 57, 89, 129, 133, 267, 301, 399, 433, 623, 817, 903, 1299, 1691, 1869, 2451, 3031, 3827, 5073, 5719, 8227, 9093, 11481, 11837, 17157, 18619, 24681, 26789, 35511, 38537, 55857, 57589, 72713, 80367, 115611, 130333, 172767, 218139, 269759, 353761, 390999, 508991, 732203, 809277, 1061283, 1526973, 1657091, 2196609, 2476327, 4971273, 5125421, 7428981, 11599637, 15376263, 31484729, 34798911, 94454187, 220393103, 661179309]

約数ペア:

[(1, 661179309), (3, 220393103), (7, 94454187), (19, 34798911), (21, 31484729), (43, 15376263), (57, 11599637), (89, 7428981), (129, 5125421), (133, 4971273), (267, 2476327), (301, 2196609), (399, 1657091), (433, 1526973), (623, 1061283), (817, 809277), (903, 732203), (1299, 508991), (1691, 390999), (1869, 353761), (2451, 269759), (3031, 218139), (3827, 172767), (5073, 130333), (5719, 115611), (8227, 80367), (9093, 72713), (11481, 57589), (11837, 55857), (17157, 38537), (18619, 35511), (24681, 26789)]