72121105

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 102161664

約数和(自身を除く): 30040559

約数列:

[1, 5, 7, 35, 43, 173, 215, 277, 301, 865, 1211, 1385, 1505, 1939, 6055, 7439, 9695, 11911, 37195, 47921, 52073, 59555, 83377, 239605, 260365, 335447, 416885, 1677235, 2060603, 10303015, 14424221, 72121105]

約数ペア:

[(1, 72121105), (5, 14424221), (7, 10303015), (35, 2060603), (43, 1677235), (173, 416885), (215, 335447), (277, 260365), (301, 239605), (865, 83377), (1211, 59555), (1385, 52073), (1505, 47921), (1939, 37195), (6055, 11911), (7439, 9695)]