289380255

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1\times {\mathrm{1123}}^1$

素因数の和:1591

約数の個数: 32

約数和(自身を含む): 475856640

約数和(自身を除く): 186476385

約数列:

[1, 3, 5, 15, 41, 123, 205, 419, 615, 1123, 1257, 2095, 3369, 5615, 6285, 16845, 17179, 46043, 51537, 85895, 138129, 230215, 257685, 470537, 690645, 1411611, 2352685, 7058055, 19292017, 57876051, 96460085, 289380255]

約数ペア:

[(1, 289380255), (3, 96460085), (5, 57876051), (15, 19292017), (41, 7058055), (123, 2352685), (205, 1411611), (419, 690645), (615, 470537), (1123, 257685), (1257, 230215), (2095, 138129), (3369, 85895), (5615, 51537), (6285, 46043), (16845, 17179)]