19970025

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{4513}}^1$

素因数の和:4585

約数の個数: 24

約数和(自身を含む): 33584160

約数和(自身を除く): 13614135

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 4425, 4513, 13539, 22565, 67695, 112825, 266267, 338475, 798801, 1331335, 3994005, 6656675, 19970025]

約数ペア:

[(1, 19970025), (3, 6656675), (5, 3994005), (15, 1331335), (25, 798801), (59, 338475), (75, 266267), (177, 112825), (295, 67695), (885, 22565), (1475, 13539), (4425, 4513)]