17865135

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 33179328

約数和(自身を除く): 15314193

約数列:

[1, 3, 5, 9, 15, 23, 41, 45, 69, 115, 123, 205, 207, 345, 369, 421, 615, 943, 1035, 1263, 1845, 2105, 2829, 3789, 4715, 6315, 8487, 9683, 14145, 17261, 18945, 29049, 42435, 48415, 51783, 86305, 87147, 145245, 155349, 258915, 397003, 435735, 776745, 1191009, 1985015, 3573027, 5955045, 17865135]

約数ペア:

[(1, 17865135), (3, 5955045), (5, 3573027), (9, 1985015), (15, 1191009), (23, 776745), (41, 435735), (45, 397003), (69, 258915), (115, 155349), (123, 145245), (205, 87147), (207, 86305), (345, 51783), (369, 48415), (421, 42435), (615, 29049), (943, 18945), (1035, 17261), (1263, 14145), (1845, 9683), (2105, 8487), (2829, 6315), (3789, 4715)]