28904385

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1093}}^1$

素因数の和:1185

約数の個数: 32

約数和(自身を含む): 48521088

約数和(自身を除く): 19616703

約数列:

[1, 3, 5, 15, 41, 43, 123, 129, 205, 215, 615, 645, 1093, 1763, 3279, 5289, 5465, 8815, 16395, 26445, 44813, 46999, 134439, 140997, 224065, 234995, 672195, 704985, 1926959, 5780877, 9634795, 28904385]

約数ペア:

[(1, 28904385), (3, 9634795), (5, 5780877), (15, 1926959), (41, 704985), (43, 672195), (123, 234995), (129, 224065), (205, 140997), (215, 134439), (615, 46999), (645, 44813), (1093, 26445), (1763, 16395), (3279, 8815), (5289, 5465)]