15989163

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 24178176

約数和(自身を除く): 8189013

約数列:

[1, 3, 17, 23, 43, 51, 69, 129, 317, 391, 731, 951, 989, 1173, 2193, 2967, 5389, 7291, 13631, 16167, 16813, 21873, 40893, 50439, 123947, 231727, 313513, 371841, 695181, 940539, 5329721, 15989163]

約数ペア:

[(1, 15989163), (3, 5329721), (17, 940539), (23, 695181), (43, 371841), (51, 313513), (69, 231727), (129, 123947), (317, 50439), (391, 40893), (731, 21873), (951, 16813), (989, 16167), (1173, 13631), (2193, 7291), (2967, 5389)]