31070745

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{821}}^1$

素因数の和:890

約数の個数: 36

約数和(自身を含む): 55845036

約数和(自身を除く): 24774291

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 821, 841, 1305, 2463, 2523, 4105, 4205, 7389, 7569, 12315, 12615, 23809, 36945, 37845, 71427, 119045, 214281, 357135, 690461, 1071405, 2071383, 3452305, 6214149, 10356915, 31070745]

約数ペア:

[(1, 31070745), (3, 10356915), (5, 6214149), (9, 3452305), (15, 2071383), (29, 1071405), (45, 690461), (87, 357135), (145, 214281), (261, 119045), (435, 71427), (821, 37845), (841, 36945), (1305, 23809), (2463, 12615), (2523, 12315), (4105, 7569), (4205, 7389)]