30985857

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2843}}^1$

素因数の和:3029

約数の個数: 24

約数和(自身を含む): 51465024

約数和(自身を除く): 20479167

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 2843, 3633, 8529, 10899, 19901, 25587, 59703, 179109, 491839, 1475517, 3442873, 4426551, 10328619, 30985857]

約数ペア:

[(1, 30985857), (3, 10328619), (7, 4426551), (9, 3442873), (21, 1475517), (63, 491839), (173, 179109), (519, 59703), (1211, 25587), (1557, 19901), (2843, 10899), (3633, 8529)]