271490681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 345612288

約数和(自身を除く): 74121607

約数列:

[1, 7, 11, 77, 97, 163, 223, 679, 1067, 1141, 1561, 1793, 2453, 7469, 12551, 15811, 17171, 21631, 36349, 110677, 151417, 173921, 237941, 254443, 399839, 1217447, 1665587, 2798873, 3525853, 24680971, 38784383, 271490681]

約数ペア:

[(1, 271490681), (7, 38784383), (11, 24680971), (77, 3525853), (97, 2798873), (163, 1665587), (223, 1217447), (679, 399839), (1067, 254443), (1141, 237941), (1561, 173921), (1793, 151417), (2453, 110677), (7469, 36349), (12551, 21631), (15811, 17171)]