30561447

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 50232960

約数和(自身を除く): 19671513

約数列:

[1, 3, 7, 21, 29, 49, 67, 87, 107, 147, 201, 203, 321, 469, 609, 749, 1407, 1421, 1943, 2247, 3103, 3283, 4263, 5243, 5829, 7169, 9309, 9849, 13601, 15729, 21507, 21721, 40803, 50183, 65163, 95207, 150549, 152047, 207901, 285621, 351281, 456141, 623703, 1053843, 1455307, 4365921, 10187149, 30561447]

約数ペア:

[(1, 30561447), (3, 10187149), (7, 4365921), (21, 1455307), (29, 1053843), (49, 623703), (67, 456141), (87, 351281), (107, 285621), (147, 207901), (201, 152047), (203, 150549), (321, 95207), (469, 65163), (609, 50183), (749, 40803), (1407, 21721), (1421, 21507), (1943, 15729), (2247, 13601), (3103, 9849), (3283, 9309), (4263, 7169), (5243, 5829)]