428145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:121

約数の個数: 32

約数和(自身を含む): 767232

約数和(自身を除く): 339087

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 73, 85, 115, 219, 255, 345, 365, 391, 1095, 1173, 1241, 1679, 1955, 3723, 5037, 5865, 6205, 8395, 18615, 25185, 28543, 85629, 142715, 428145]

約数ペア:

[(1, 428145), (3, 142715), (5, 85629), (15, 28543), (17, 25185), (23, 18615), (51, 8395), (69, 6205), (73, 5865), (85, 5037), (115, 3723), (219, 1955), (255, 1679), (345, 1241), (365, 1173), (391, 1095)]