42018705

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19867}}^1$

素因数の和:19925

約数の個数: 24

約数和(自身を含む): 74385792

約数和(自身を除く): 32367087

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 19867, 59601, 99335, 178803, 298005, 894015, 933749, 2801247, 4668745, 8403741, 14006235, 42018705]

約数ペア:

[(1, 42018705), (3, 14006235), (5, 8403741), (9, 4668745), (15, 2801247), (45, 933749), (47, 894015), (141, 298005), (235, 178803), (423, 99335), (705, 59601), (2115, 19867)]