1293175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 1812384

約数和(自身を除く): 519209

約数列:

[1, 5, 13, 23, 25, 65, 115, 173, 299, 325, 575, 865, 1495, 2249, 3979, 4325, 7475, 11245, 19895, 51727, 56225, 99475, 258635, 1293175]

約数ペア:

[(1, 1293175), (5, 258635), (13, 99475), (23, 56225), (25, 51727), (65, 19895), (115, 11245), (173, 7475), (299, 4325), (325, 3979), (575, 2249), (865, 1495)]