31815018

素因数分解:

$2^1\times 3^6\times {\mathrm{21821}}^1$

素因数の和:21841

約数の個数: 28

約数和(自身を含む): 71554338

約数和(自身を除く): 39739320

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 21821, 43642, 65463, 130926, 196389, 392778, 589167, 1178334, 1767501, 3535002, 5302503, 10605006, 15907509, 31815018]

約数ペア:

[(1, 31815018), (2, 15907509), (3, 10605006), (6, 5302503), (9, 3535002), (18, 1767501), (27, 1178334), (54, 589167), (81, 392778), (162, 196389), (243, 130926), (486, 65463), (729, 43642), (1458, 21821)]