19710135

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1187}}^1$

素因数の和:1245

約数の個数: 40

約数和(自身を含む): 36224496

約数和(自身を除く): 16514361

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1187, 1845, 3321, 3561, 5535, 5935, 10683, 16605, 17805, 32049, 48667, 53415, 96147, 146001, 160245, 243335, 438003, 480735, 730005, 1314009, 2190015, 3942027, 6570045, 19710135]

約数ペア:

[(1, 19710135), (3, 6570045), (5, 3942027), (9, 2190015), (15, 1314009), (27, 730005), (41, 480735), (45, 438003), (81, 243335), (123, 160245), (135, 146001), (205, 96147), (369, 53415), (405, 48667), (615, 32049), (1107, 17805), (1187, 16605), (1845, 10683), (3321, 5935), (3561, 5535)]