389948907

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1571}}^1$

素因数の和:1779

約数の個数: 32

約数和(自身を含む): 572258304

約数和(自身を除く): 182309397

約数列:

[1, 3, 17, 31, 51, 93, 157, 471, 527, 1571, 1581, 2669, 4713, 4867, 8007, 14601, 26707, 48701, 80121, 82739, 146103, 246647, 248217, 739941, 827917, 2483751, 4192999, 7646057, 12578997, 22938171, 129982969, 389948907]

約数ペア:

[(1, 389948907), (3, 129982969), (17, 22938171), (31, 12578997), (51, 7646057), (93, 4192999), (157, 2483751), (471, 827917), (527, 739941), (1571, 248217), (1581, 246647), (2669, 146103), (4713, 82739), (4867, 80121), (8007, 48701), (14601, 26707)]