15977423

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 21411840

約数和(自身を除く): 5434417

約数列:

[1, 7, 11, 19, 67, 77, 133, 163, 209, 469, 737, 1141, 1273, 1463, 1793, 3097, 5159, 8911, 10921, 12551, 14003, 21679, 34067, 76447, 98021, 120131, 207499, 238469, 840917, 1452493, 2282489, 15977423]

約数ペア:

[(1, 15977423), (7, 2282489), (11, 1452493), (19, 840917), (67, 238469), (77, 207499), (133, 120131), (163, 98021), (209, 76447), (469, 34067), (737, 21679), (1141, 14003), (1273, 12551), (1463, 10921), (1793, 8911), (3097, 5159)]