388477557

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{11489}}^1$

素因数の和:11542

約数の個数: 36

約数和(自身を含む): 641992260

約数和(自身を除く): 253514703

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 289, 663, 867, 1989, 2601, 3757, 11271, 11489, 33813, 34467, 103401, 149357, 195313, 448071, 585939, 1344213, 1757817, 2539069, 3320321, 7617207, 9960963, 22851621, 29882889, 43164173, 129492519, 388477557]

約数ペア:

[(1, 388477557), (3, 129492519), (9, 43164173), (13, 29882889), (17, 22851621), (39, 9960963), (51, 7617207), (117, 3320321), (153, 2539069), (221, 1757817), (289, 1344213), (663, 585939), (867, 448071), (1989, 195313), (2601, 149357), (3757, 103401), (11271, 34467), (11489, 33813)]