291211533

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 458640000

約数和(自身を除く): 167428467

約数列:

[1, 3, 9, 23, 29, 69, 87, 139, 207, 261, 349, 417, 667, 1047, 1251, 2001, 3141, 3197, 4031, 6003, 8027, 9591, 10121, 12093, 24081, 28773, 30363, 36279, 48511, 72243, 91089, 92713, 145533, 232783, 278139, 436599, 698349, 834417, 1115753, 1406819, 2095047, 3347259, 4220457, 10041777, 12661371, 32356837, 97070511, 291211533]

約数ペア:

[(1, 291211533), (3, 97070511), (9, 32356837), (23, 12661371), (29, 10041777), (69, 4220457), (87, 3347259), (139, 2095047), (207, 1406819), (261, 1115753), (349, 834417), (417, 698349), (667, 436599), (1047, 278139), (1251, 232783), (2001, 145533), (3141, 92713), (3197, 91089), (4031, 72243), (6003, 48511), (8027, 36279), (9591, 30363), (10121, 28773), (12093, 24081)]