81400041

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{601}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 119737800

約数和(自身を除く): 38337759

約数列:

[1, 3, 9, 101, 149, 303, 447, 601, 909, 1341, 1803, 5409, 15049, 45147, 60701, 89549, 135441, 182103, 268647, 546309, 805941, 9044449, 27133347, 81400041]

約数ペア:

[(1, 81400041), (3, 27133347), (9, 9044449), (101, 805941), (149, 546309), (303, 268647), (447, 182103), (601, 135441), (909, 89549), (1341, 60701), (1803, 45147), (5409, 15049)]