1809129

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 2903808

約数和(自身を除く): 1094679

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 397, 651, 1191, 1519, 2779, 4557, 8337, 12307, 19453, 36921, 58359, 86149, 258447, 603043, 1809129]

約数ペア:

[(1, 1809129), (3, 603043), (7, 258447), (21, 86149), (31, 58359), (49, 36921), (93, 19453), (147, 12307), (217, 8337), (397, 4557), (651, 2779), (1191, 1519)]