30987957

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 58834944

約数和(自身を除く): 27846987

約数列:

[1, 3, 7, 11, 13, 17, 21, 33, 39, 51, 77, 91, 119, 143, 187, 221, 231, 273, 357, 429, 561, 607, 663, 1001, 1309, 1547, 1821, 2431, 3003, 3927, 4249, 4641, 6677, 7293, 7891, 10319, 12747, 17017, 20031, 23673, 30957, 46739, 51051, 55237, 72233, 86801, 113509, 134147, 140217, 165711, 216699, 260403, 340527, 402441, 607607, 794563, 939029, 1475617, 1822821, 2383689, 2817087, 4426851, 10329319, 30987957]

約数ペア:

[(1, 30987957), (3, 10329319), (7, 4426851), (11, 2817087), (13, 2383689), (17, 1822821), (21, 1475617), (33, 939029), (39, 794563), (51, 607607), (77, 402441), (91, 340527), (119, 260403), (143, 216699), (187, 165711), (221, 140217), (231, 134147), (273, 113509), (357, 86801), (429, 72233), (561, 55237), (607, 51051), (663, 46739), (1001, 30957), (1309, 23673), (1547, 20031), (1821, 17017), (2431, 12747), (3003, 10319), (3927, 7891), (4249, 7293), (4641, 6677)]