78879423

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 123628032

約数和(自身を除く): 44748609

約数列:

[1, 3, 7, 21, 53, 131, 159, 371, 393, 541, 917, 1113, 1623, 2751, 3787, 6943, 11361, 20829, 28673, 48601, 70871, 86019, 145803, 200711, 212613, 496097, 602133, 1488291, 3756163, 11268489, 26293141, 78879423]

約数ペア:

[(1, 78879423), (3, 26293141), (7, 11268489), (21, 3756163), (53, 1488291), (131, 602133), (159, 496097), (371, 212613), (393, 200711), (541, 145803), (917, 86019), (1113, 70871), (1623, 48601), (2751, 28673), (3787, 20829), (6943, 11361)]