221330985

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{523}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 359925120

約数和(自身を除く): 138594135

約数列:

[1, 3, 5, 15, 89, 267, 317, 445, 523, 951, 1335, 1569, 1585, 2615, 4755, 7845, 28213, 46547, 84639, 139641, 141065, 165791, 232735, 423195, 497373, 698205, 828955, 2486865, 14755399, 44266197, 73776995, 221330985]

約数ペア:

[(1, 221330985), (3, 73776995), (5, 44266197), (15, 14755399), (89, 2486865), (267, 828955), (317, 698205), (445, 497373), (523, 423195), (951, 232735), (1335, 165791), (1569, 141065), (1585, 139641), (2615, 84639), (4755, 46547), (7845, 28213)]