30531978

素因数分解:

$2^1\times 3^6\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:550

約数の個数: 56

約数和(自身を含む): 70406688

約数和(自身を除く): 39874710

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 243, 258, 387, 486, 487, 729, 774, 974, 1161, 1458, 1461, 2322, 2922, 3483, 4383, 6966, 8766, 10449, 13149, 20898, 20941, 26298, 31347, 39447, 41882, 62694, 62823, 78894, 118341, 125646, 188469, 236682, 355023, 376938, 565407, 710046, 1130814, 1696221, 3392442, 5088663, 10177326, 15265989, 30531978]

約数ペア:

[(1, 30531978), (2, 15265989), (3, 10177326), (6, 5088663), (9, 3392442), (18, 1696221), (27, 1130814), (43, 710046), (54, 565407), (81, 376938), (86, 355023), (129, 236682), (162, 188469), (243, 125646), (258, 118341), (387, 78894), (486, 62823), (487, 62694), (729, 41882), (774, 39447), (974, 31347), (1161, 26298), (1458, 20941), (1461, 20898), (2322, 13149), (2922, 10449), (3483, 8766), (4383, 6966)]