248089155

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{17539}}^1$

素因数の和:17611

約数の個数: 32

約数和(自身を含む): 424327680

約数和(自身を除く): 176238525

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 345, 615, 943, 2829, 4715, 14145, 17539, 52617, 87695, 263085, 403397, 719099, 1210191, 2016985, 2157297, 3595495, 6050955, 10786485, 16539277, 49617831, 82696385, 248089155]

約数ペア:

[(1, 248089155), (3, 82696385), (5, 49617831), (15, 16539277), (23, 10786485), (41, 6050955), (69, 3595495), (115, 2157297), (123, 2016985), (205, 1210191), (345, 719099), (615, 403397), (943, 263085), (2829, 87695), (4715, 52617), (14145, 17539)]