1216719

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 36

約数和(自身を含む): 2134080

約数和(自身を除く): 917361

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 89, 93, 147, 217, 267, 279, 441, 623, 651, 801, 1519, 1869, 1953, 2759, 4361, 4557, 5607, 8277, 13083, 13671, 19313, 24831, 39249, 57939, 135191, 173817, 405573, 1216719]

約数ペア:

[(1, 1216719), (3, 405573), (7, 173817), (9, 135191), (21, 57939), (31, 39249), (49, 24831), (63, 19313), (89, 13671), (93, 13083), (147, 8277), (217, 5607), (267, 4557), (279, 4361), (441, 2759), (623, 1953), (651, 1869), (801, 1519)]