90778815

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 165634560

約数和(自身を除く): 74855745

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 139, 207, 345, 417, 631, 695, 1035, 1251, 1893, 2085, 3155, 3197, 5679, 6255, 9465, 9591, 14513, 15985, 28395, 28773, 43539, 47955, 72565, 87709, 130617, 143865, 217695, 263127, 438545, 653085, 789381, 1315635, 2017307, 3946905, 6051921, 10086535, 18155763, 30259605, 90778815]

約数ペア:

[(1, 90778815), (3, 30259605), (5, 18155763), (9, 10086535), (15, 6051921), (23, 3946905), (45, 2017307), (69, 1315635), (115, 789381), (139, 653085), (207, 438545), (345, 263127), (417, 217695), (631, 143865), (695, 130617), (1035, 87709), (1251, 72565), (1893, 47955), (2085, 43539), (3155, 28773), (3197, 28395), (5679, 15985), (6255, 14513), (9465, 9591)]