7399917

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:471

約数の個数: 40

約数和(自身を含む): 13071872

約数和(自身を除く): 5671955

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 421, 567, 651, 837, 1263, 1953, 2511, 2947, 3789, 5859, 8841, 11367, 13051, 17577, 26523, 34101, 39153, 79569, 91357, 117459, 238707, 274071, 352377, 822213, 1057131, 2466639, 7399917]

約数ペア:

[(1, 7399917), (3, 2466639), (7, 1057131), (9, 822213), (21, 352377), (27, 274071), (31, 238707), (63, 117459), (81, 91357), (93, 79569), (189, 39153), (217, 34101), (279, 26523), (421, 17577), (567, 13051), (651, 11367), (837, 8841), (1263, 5859), (1953, 3789), (2511, 2947)]