90821565

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{523}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 167738688

約数和(自身を除く): 76917123

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 227, 255, 523, 681, 765, 1135, 1569, 2043, 2615, 3405, 3859, 4707, 7845, 8891, 10215, 11577, 19295, 23535, 26673, 34731, 44455, 57885, 80019, 118721, 133365, 173655, 356163, 400095, 593605, 1068489, 1780815, 2018257, 5342445, 6054771, 10091285, 18164313, 30273855, 90821565]

約数ペア:

[(1, 90821565), (3, 30273855), (5, 18164313), (9, 10091285), (15, 6054771), (17, 5342445), (45, 2018257), (51, 1780815), (85, 1068489), (153, 593605), (227, 400095), (255, 356163), (523, 173655), (681, 133365), (765, 118721), (1135, 80019), (1569, 57885), (2043, 44455), (2615, 34731), (3405, 26673), (3859, 23535), (4707, 19295), (7845, 11577), (8891, 10215)]