31239747

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 57258240

約数和(自身を除く): 26018493

約数列:

[1, 3, 7, 9, 11, 21, 33, 61, 63, 77, 99, 183, 231, 427, 549, 671, 693, 739, 1281, 2013, 2217, 3843, 4697, 5173, 6039, 6651, 8129, 14091, 15519, 24387, 42273, 45079, 46557, 56903, 73161, 135237, 170709, 315553, 405711, 495869, 512127, 946659, 1487607, 2839977, 3471083, 4462821, 10413249, 31239747]

約数ペア:

[(1, 31239747), (3, 10413249), (7, 4462821), (9, 3471083), (11, 2839977), (21, 1487607), (33, 946659), (61, 512127), (63, 495869), (77, 405711), (99, 315553), (183, 170709), (231, 135237), (427, 73161), (549, 56903), (671, 46557), (693, 45079), (739, 42273), (1281, 24387), (2013, 15519), (2217, 14091), (3843, 8129), (4697, 6651), (5173, 6039)]