1989727551

素因数分解:

$3^3\times 7^1\times {\mathrm{439}}^1\times {\mathrm{23981}}^1$

素因数の和:24436

約数の個数: 32

約数和(自身を含む): 3376665600

約数和(自身を除く): 1386938049

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 439, 1317, 3073, 3951, 9219, 11853, 23981, 27657, 71943, 82971, 167867, 215829, 503601, 647487, 1510803, 4532409, 10527659, 31582977, 73693613, 94748931, 221080839, 284246793, 663242517, 1989727551]

約数ペア:

[(1, 1989727551), (3, 663242517), (7, 284246793), (9, 221080839), (21, 94748931), (27, 73693613), (63, 31582977), (189, 10527659), (439, 4532409), (1317, 1510803), (3073, 647487), (3951, 503601), (9219, 215829), (11853, 167867), (23981, 82971), (27657, 71943)]