54379975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 36

約数和(自身を含む): 74565912

約数和(自身を除く): 20185937

約数列:

[1, 5, 13, 25, 61, 65, 169, 211, 305, 325, 793, 845, 1055, 1525, 2743, 3965, 4225, 5275, 10309, 12871, 13715, 19825, 35659, 51545, 64355, 68575, 167323, 178295, 257725, 321775, 836615, 891475, 2175199, 4183075, 10875995, 54379975]

約数ペア:

[(1, 54379975), (5, 10875995), (13, 4183075), (25, 2175199), (61, 891475), (65, 836615), (169, 321775), (211, 257725), (305, 178295), (325, 167323), (793, 68575), (845, 64355), (1055, 51545), (1525, 35659), (2743, 19825), (3965, 13715), (4225, 12871), (5275, 10309)]