205514355

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{7001}}^1$

素因数の和:7131

約数の個数: 32

約数和(自身を含む): 349539840

約数和(自身を除く): 144025485

約数列:

[1, 3, 5, 15, 19, 57, 95, 103, 285, 309, 515, 1545, 1957, 5871, 7001, 9785, 21003, 29355, 35005, 105015, 133019, 399057, 665095, 721103, 1995285, 2163309, 3605515, 10816545, 13700957, 41102871, 68504785, 205514355]

約数ペア:

[(1, 205514355), (3, 68504785), (5, 41102871), (15, 13700957), (19, 10816545), (57, 3605515), (95, 2163309), (103, 1995285), (285, 721103), (309, 665095), (515, 399057), (1545, 133019), (1957, 105015), (5871, 35005), (7001, 29355), (9785, 21003)]