18047115

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 34235136

約数和(自身を除く): 16188021

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 85, 93, 153, 155, 255, 279, 465, 527, 761, 765, 1395, 1581, 2283, 2635, 3805, 4743, 6849, 7905, 11415, 12937, 23591, 23715, 34245, 38811, 64685, 70773, 116433, 117955, 194055, 212319, 353865, 401047, 582165, 1061595, 1203141, 2005235, 3609423, 6015705, 18047115]

約数ペア:

[(1, 18047115), (3, 6015705), (5, 3609423), (9, 2005235), (15, 1203141), (17, 1061595), (31, 582165), (45, 401047), (51, 353865), (85, 212319), (93, 194055), (153, 117955), (155, 116433), (255, 70773), (279, 64685), (465, 38811), (527, 34245), (761, 23715), (765, 23591), (1395, 12937), (1581, 11415), (2283, 7905), (2635, 6849), (3805, 4743)]