28194537

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70663}}^1$

素因数の和:70692

約数の個数: 16

約数和(自身を含む): 45224960

約数和(自身を除く): 17030423

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 70663, 211989, 494641, 1342597, 1483923, 4027791, 9398179, 28194537]

約数ペア:

[(1, 28194537), (3, 9398179), (7, 4027791), (19, 1483923), (21, 1342597), (57, 494641), (133, 211989), (399, 70663)]