2878446987

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{62921}}^1$

素因数の和:62980

約数の個数: 48

約数和(自身を含む): 4947179328

約数和(自身を除く): 2068732341

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 299, 391, 663, 897, 1173, 1989, 2691, 3519, 5083, 15249, 45747, 62921, 188763, 566289, 817973, 1069657, 1447183, 2453919, 3208971, 4341549, 7361757, 9626913, 13024647, 13905541, 18813379, 24602111, 41716623, 56440137, 73806333, 125149869, 169320411, 221418999, 319827443, 959482329, 2878446987]

約数ペア:

[(1, 2878446987), (3, 959482329), (9, 319827443), (13, 221418999), (17, 169320411), (23, 125149869), (39, 73806333), (51, 56440137), (69, 41716623), (117, 24602111), (153, 18813379), (207, 13905541), (221, 13024647), (299, 9626913), (391, 7361757), (663, 4341549), (897, 3208971), (1173, 2453919), (1989, 1447183), (2691, 1069657), (3519, 817973), (5083, 566289), (15249, 188763), (45747, 62921)]