28723251

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 43296768

約数和(自身を除く): 14573517

約数列:

[1, 3, 17, 23, 47, 51, 69, 141, 391, 521, 799, 1081, 1173, 1563, 2397, 3243, 8857, 11983, 18377, 24487, 26571, 35949, 55131, 73461, 203711, 416279, 563201, 611133, 1248837, 1689603, 9574417, 28723251]

約数ペア:

[(1, 28723251), (3, 9574417), (17, 1689603), (23, 1248837), (47, 611133), (51, 563201), (69, 416279), (141, 203711), (391, 73461), (521, 55131), (799, 35949), (1081, 26571), (1173, 24487), (1563, 18377), (2397, 11983), (3243, 8857)]