620897643

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{599}}^1$

素因数の和:869

約数の個数: 40

約数和(自身を含む): 947865600

約数和(自身を除く): 326967957

約数列:

[1, 3, 9, 27, 67, 81, 191, 201, 573, 599, 603, 1719, 1797, 1809, 5157, 5391, 5427, 12797, 15471, 16173, 38391, 40133, 48519, 114409, 115173, 120399, 343227, 345519, 361197, 1029681, 1036557, 1083591, 3089043, 3250773, 7665403, 9267129, 22996209, 68988627, 206965881, 620897643]

約数ペア:

[(1, 620897643), (3, 206965881), (9, 68988627), (27, 22996209), (67, 9267129), (81, 7665403), (191, 3250773), (201, 3089043), (573, 1083591), (599, 1036557), (603, 1029681), (1719, 361197), (1797, 345519), (1809, 343227), (5157, 120399), (5391, 115173), (5427, 114409), (12797, 48519), (15471, 40133), (16173, 38391)]