420790773

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7951}}^1$

素因数の和:8049

約数の個数: 32

約数和(自身を含む): 641249280

約数和(自身を除く): 220458507

約数列:

[1, 3, 13, 23, 39, 59, 69, 177, 299, 767, 897, 1357, 2301, 4071, 7951, 17641, 23853, 52923, 103363, 182873, 310089, 469109, 548619, 1407327, 2377349, 6098417, 7132047, 10789507, 18295251, 32368521, 140263591, 420790773]

約数ペア:

[(1, 420790773), (3, 140263591), (13, 32368521), (23, 18295251), (39, 10789507), (59, 7132047), (69, 6098417), (177, 2377349), (299, 1407327), (767, 548619), (897, 469109), (1357, 310089), (2301, 182873), (4071, 103363), (7951, 52923), (17641, 23853)]