2747871

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 4961280

約数和(自身を除く): 2213409

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 67, 93, 147, 189, 201, 217, 279, 441, 469, 603, 651, 837, 1323, 1407, 1519, 1809, 1953, 2077, 3283, 4221, 4557, 5859, 6231, 9849, 12663, 13671, 14539, 18693, 29547, 41013, 43617, 56079, 88641, 101773, 130851, 305319, 392553, 915957, 2747871]

約数ペア:

[(1, 2747871), (3, 915957), (7, 392553), (9, 305319), (21, 130851), (27, 101773), (31, 88641), (49, 56079), (63, 43617), (67, 41013), (93, 29547), (147, 18693), (189, 14539), (201, 13671), (217, 12663), (279, 9849), (441, 6231), (469, 5859), (603, 4557), (651, 4221), (837, 3283), (1323, 2077), (1407, 1953), (1519, 1809)]