2021136615

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47629}}^1$

素因数の和:47704

約数の個数: 48

約数和(自身を含む): 3744861120

約数和(自身を除く): 1723724505

約数列:

[1, 3, 5, 9, 15, 23, 41, 45, 69, 115, 123, 205, 207, 345, 369, 615, 943, 1035, 1845, 2829, 4715, 8487, 14145, 42435, 47629, 142887, 238145, 428661, 714435, 1095467, 1952789, 2143305, 3286401, 5477335, 5858367, 9763945, 9859203, 16432005, 17575101, 29291835, 44914147, 49296015, 87875505, 134742441, 224570735, 404227323, 673712205, 2021136615]

約数ペア:

[(1, 2021136615), (3, 673712205), (5, 404227323), (9, 224570735), (15, 134742441), (23, 87875505), (41, 49296015), (45, 44914147), (69, 29291835), (115, 17575101), (123, 16432005), (205, 9859203), (207, 9763945), (345, 5858367), (369, 5477335), (615, 3286401), (943, 2143305), (1035, 1952789), (1845, 1095467), (2829, 714435), (4715, 428661), (8487, 238145), (14145, 142887), (42435, 47629)]