18054015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1237}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 33277440

約数和(自身を除く): 15223425

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 139, 417, 695, 973, 1237, 2085, 2919, 3711, 4865, 6185, 8659, 14595, 18555, 25977, 43295, 129885, 171943, 515829, 859715, 1203601, 2579145, 3610803, 6018005, 18054015]

約数ペア:

[(1, 18054015), (3, 6018005), (5, 3610803), (7, 2579145), (15, 1203601), (21, 859715), (35, 515829), (105, 171943), (139, 129885), (417, 43295), (695, 25977), (973, 18555), (1237, 14595), (2085, 8659), (2919, 6185), (3711, 4865)]