387471279

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1\times {\mathrm{547}}^1$

素因数の和:1047

約数の個数: 32

約数和(自身を含む): 572269824

約数和(自身を除く): 184798545

約数列:

[1, 3, 13, 39, 41, 123, 443, 533, 547, 1329, 1599, 1641, 5759, 7111, 17277, 18163, 21333, 22427, 54489, 67281, 236119, 242321, 291551, 708357, 726963, 874653, 3150173, 9450519, 9935161, 29805483, 129157093, 387471279]

約数ペア:

[(1, 387471279), (3, 129157093), (13, 29805483), (39, 9935161), (41, 9450519), (123, 3150173), (443, 874653), (533, 726963), (547, 708357), (1329, 291551), (1599, 242321), (1641, 236119), (5759, 67281), (7111, 54489), (17277, 22427), (18163, 21333)]