1887328653

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1\times {\mathrm{3181}}^1$

素因数の和:4697

約数の個数: 32

約数和(自身を含む): 3030282240

約数和(自身を除く): 1142953587

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1487, 3181, 4461, 9543, 10409, 22267, 28253, 31227, 60439, 66801, 84759, 181317, 197771, 423073, 593313, 1269219, 4730147, 14190441, 33111029, 89872793, 99333087, 269618379, 629109551, 1887328653]

約数ペア:

[(1, 1887328653), (3, 629109551), (7, 269618379), (19, 99333087), (21, 89872793), (57, 33111029), (133, 14190441), (399, 4730147), (1487, 1269219), (3181, 593313), (4461, 423073), (9543, 197771), (10409, 181317), (22267, 84759), (28253, 66801), (31227, 60439)]