15705225

素因数分解:

$3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 29462400

約数和(自身を除く): 13757175

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 135, 159, 225, 265, 439, 477, 675, 795, 1317, 1325, 1431, 2195, 2385, 3951, 3975, 6585, 7155, 10975, 11853, 11925, 19755, 23267, 32925, 35775, 59265, 69801, 98775, 116335, 209403, 296325, 349005, 581675, 628209, 1047015, 1745025, 3141045, 5235075, 15705225]

約数ペア:

[(1, 15705225), (3, 5235075), (5, 3141045), (9, 1745025), (15, 1047015), (25, 628209), (27, 581675), (45, 349005), (53, 296325), (75, 209403), (135, 116335), (159, 98775), (225, 69801), (265, 59265), (439, 35775), (477, 32925), (675, 23267), (795, 19755), (1317, 11925), (1325, 11853), (1431, 10975), (2195, 7155), (2385, 6585), (3951, 3975)]