201520055

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 269422848

約数和(自身を除く): 67902793

約数列:

[1, 5, 11, 55, 107, 121, 283, 535, 605, 1177, 1331, 1415, 3113, 5885, 6655, 12947, 15565, 30281, 34243, 64735, 142417, 151405, 171215, 333091, 376673, 712085, 1665455, 1883365, 3664001, 18320005, 40304011, 201520055]

約数ペア:

[(1, 201520055), (5, 40304011), (11, 18320005), (55, 3664001), (107, 1883365), (121, 1665455), (283, 712085), (535, 376673), (605, 333091), (1177, 171215), (1331, 151405), (1415, 142417), (3113, 64735), (5885, 34243), (6655, 30281), (12947, 15565)]