18530451

素因数分解:

$3^7\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 28667200

約数和(自身を除く): 10136749

約数列:

[1, 3, 9, 27, 37, 81, 111, 229, 243, 333, 687, 729, 999, 2061, 2187, 2997, 6183, 8473, 8991, 18549, 25419, 26973, 55647, 76257, 80919, 166941, 228771, 500823, 686313, 2058939, 6176817, 18530451]

約数ペア:

[(1, 18530451), (3, 6176817), (9, 2058939), (27, 686313), (37, 500823), (81, 228771), (111, 166941), (229, 80919), (243, 76257), (333, 55647), (687, 26973), (729, 25419), (999, 18549), (2061, 8991), (2187, 8473), (2997, 6183)]