407420445

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{6899}}^1$

素因数の和:7065

約数の個数: 32

約数和(自身を含む): 678297600

約数和(自身を除く): 270877155

約数列:

[1, 3, 5, 15, 31, 93, 127, 155, 381, 465, 635, 1905, 3937, 6899, 11811, 19685, 20697, 34495, 59055, 103485, 213869, 641607, 876173, 1069345, 2628519, 3208035, 4380865, 13142595, 27161363, 81484089, 135806815, 407420445]

約数ペア:

[(1, 407420445), (3, 135806815), (5, 81484089), (15, 27161363), (31, 13142595), (93, 4380865), (127, 3208035), (155, 2628519), (381, 1069345), (465, 876173), (635, 641607), (1905, 213869), (3937, 103485), (6899, 59055), (11811, 34495), (19685, 20697)]