389141667

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{3313}}^1$

素因数の和:3771

約数の個数: 24

約数和(自身を含む): 581779328

約数和(自身を除く): 192637661

約数列:

[1, 3, 9, 31, 93, 279, 421, 1263, 3313, 3789, 9939, 13051, 29817, 39153, 102703, 117459, 308109, 924327, 1394773, 4184319, 12552957, 43237963, 129713889, 389141667]

約数ペア:

[(1, 389141667), (3, 129713889), (9, 43237963), (31, 12552957), (93, 4184319), (279, 1394773), (421, 924327), (1263, 308109), (3313, 117459), (3789, 102703), (9939, 39153), (13051, 29817)]