211157867921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15199}}^1\times {\mathrm{13879}}^1$

素因数の和:29109

約数の個数: 32

約数和(自身を含む): 283551744000

約数和(自身を除く): 72393876079

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 13879, 15199, 97153, 106393, 152669, 167189, 180427, 197587, 1068683, 1170323, 1262989, 1383109, 1984697, 2173457, 13892879, 15214199, 210946921, 1476628447, 2320416131, 2742309973, 16242912917, 19196169811, 30165409703, 211157867921]

約数ペア:

[(1, 211157867921), (7, 30165409703), (11, 19196169811), (13, 16242912917), (77, 2742309973), (91, 2320416131), (143, 1476628447), (1001, 210946921), (13879, 15214199), (15199, 13892879), (97153, 2173457), (106393, 1984697), (152669, 1383109), (167189, 1262989), (180427, 1170323), (197587, 1068683)]