56542725

素因数分解:

$3^3\times 5^2\times {\mathrm{211}}^1\times {\mathrm{397}}^1$

素因数の和:627

約数の個数: 48

約数和(自身を含む): 104626240

約数和(自身を除く): 48083515

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 211, 225, 397, 633, 675, 1055, 1191, 1899, 1985, 3165, 3573, 5275, 5697, 5955, 9495, 9925, 10719, 15825, 17865, 28485, 29775, 47475, 53595, 83767, 89325, 142425, 251301, 267975, 418835, 753903, 1256505, 2094175, 2261709, 3769515, 6282525, 11308545, 18847575, 56542725]

約数ペア:

[(1, 56542725), (3, 18847575), (5, 11308545), (9, 6282525), (15, 3769515), (25, 2261709), (27, 2094175), (45, 1256505), (75, 753903), (135, 418835), (211, 267975), (225, 251301), (397, 142425), (633, 89325), (675, 83767), (1055, 53595), (1191, 47475), (1899, 29775), (1985, 28485), (3165, 17865), (3573, 15825), (5275, 10719), (5697, 9925), (5955, 9495)]