17685969

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 28235520

約数和(自身を除く): 10549551

約数列:

[1, 3, 7, 21, 29, 87, 113, 203, 257, 339, 609, 771, 791, 1799, 2373, 3277, 5397, 7453, 9831, 22359, 22939, 29041, 52171, 68817, 87123, 156513, 203287, 609861, 842189, 2526567, 5895323, 17685969]

約数ペア:

[(1, 17685969), (3, 5895323), (7, 2526567), (21, 842189), (29, 609861), (87, 203287), (113, 156513), (203, 87123), (257, 68817), (339, 52171), (609, 29041), (771, 22939), (791, 22359), (1799, 9831), (2373, 7453), (3277, 5397)]