13980225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 27299840

約数和(自身を除く): 13319615

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 75, 93, 105, 155, 175, 217, 465, 525, 651, 775, 859, 1085, 2325, 2577, 3255, 4295, 5425, 6013, 12885, 16275, 18039, 21475, 26629, 30065, 64425, 79887, 90195, 133145, 150325, 186403, 399435, 450975, 559209, 665725, 932015, 1997175, 2796045, 4660075, 13980225]

約数ペア:

[(1, 13980225), (3, 4660075), (5, 2796045), (7, 1997175), (15, 932015), (21, 665725), (25, 559209), (31, 450975), (35, 399435), (75, 186403), (93, 150325), (105, 133145), (155, 90195), (175, 79887), (217, 64425), (465, 30065), (525, 26629), (651, 21475), (775, 18039), (859, 16275), (1085, 12885), (2325, 6013), (2577, 5425), (3255, 4295)]