28149585

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{587}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 47416320

約数和(自身を除く): 19266735

約数列:

[1, 3, 5, 15, 23, 69, 115, 139, 345, 417, 587, 695, 1761, 2085, 2935, 3197, 8805, 9591, 13501, 15985, 40503, 47955, 67505, 81593, 202515, 244779, 407965, 1223895, 1876639, 5629917, 9383195, 28149585]

約数ペア:

[(1, 28149585), (3, 9383195), (5, 5629917), (15, 1876639), (23, 1223895), (69, 407965), (115, 244779), (139, 202515), (345, 81593), (417, 67505), (587, 47955), (695, 40503), (1761, 15985), (2085, 13501), (2935, 9591), (3197, 8805)]