565521021

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{19891}}^1$

素因数の和:19925

約数の個数: 32

約数和(自身を含む): 913440640

約数和(自身を除く): 347919619

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 2187, 3159, 9477, 19891, 28431, 59673, 179019, 258583, 537057, 775749, 1611171, 2327247, 4833513, 6981741, 14500539, 20945223, 43501617, 62835669, 188507007, 565521021]

約数ペア:

[(1, 565521021), (3, 188507007), (9, 62835669), (13, 43501617), (27, 20945223), (39, 14500539), (81, 6981741), (117, 4833513), (243, 2327247), (351, 1611171), (729, 775749), (1053, 537057), (2187, 258583), (3159, 179019), (9477, 59673), (19891, 28431)]