1212129021

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1\times {\mathrm{307}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 1679147008

約数和(自身を除く): 467017987

約数列:

[1, 3, 43, 127, 129, 241, 307, 381, 723, 921, 5461, 10363, 13201, 16383, 30607, 31089, 38989, 39603, 73987, 91821, 116967, 221961, 1316101, 1676527, 3181441, 3948303, 5029581, 9396349, 9544323, 28189047, 404043007, 1212129021]

約数ペア:

[(1, 1212129021), (3, 404043007), (43, 28189047), (127, 9544323), (129, 9396349), (241, 5029581), (307, 3948303), (381, 3181441), (723, 1676527), (921, 1316101), (5461, 221961), (10363, 116967), (13201, 91821), (16383, 73987), (30607, 39603), (31089, 38989)]