1388325

素因数分解:

$3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 2330208

約数和(自身を除く): 941883

約数列:

[1, 3, 5, 15, 25, 75, 107, 173, 321, 519, 535, 865, 1605, 2595, 2675, 4325, 8025, 12975, 18511, 55533, 92555, 277665, 462775, 1388325]

約数ペア:

[(1, 1388325), (3, 462775), (5, 277665), (15, 92555), (25, 55533), (75, 18511), (107, 12975), (173, 8025), (321, 4325), (519, 2675), (535, 2595), (865, 1605)]