80249895

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{727}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 152635392

約数和(自身を除く): 72385497

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 223, 495, 669, 727, 1115, 2007, 2181, 2453, 3345, 3635, 6543, 7359, 7997, 10035, 10905, 12265, 22077, 23991, 32715, 36795, 39985, 71973, 110385, 119955, 162121, 359865, 486363, 810605, 1459089, 1783331, 2431815, 5349993, 7295445, 8916655, 16049979, 26749965, 80249895]

約数ペア:

[(1, 80249895), (3, 26749965), (5, 16049979), (9, 8916655), (11, 7295445), (15, 5349993), (33, 2431815), (45, 1783331), (55, 1459089), (99, 810605), (165, 486363), (223, 359865), (495, 162121), (669, 119955), (727, 110385), (1115, 71973), (2007, 39985), (2181, 36795), (2453, 32715), (3345, 23991), (3635, 22077), (6543, 12265), (7359, 10905), (7997, 10035)]