81137970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{300511}}^1$

素因数の和:300527

約数の個数: 32

約数和(自身を含む): 216368640

約数和(自身を除く): 135230670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 300511, 601022, 901533, 1502555, 1803066, 2704599, 3005110, 4507665, 5409198, 8113797, 9015330, 13522995, 16227594, 27045990, 40568985, 81137970]

約数ペア:

[(1, 81137970), (2, 40568985), (3, 27045990), (5, 16227594), (6, 13522995), (9, 9015330), (10, 8113797), (15, 5409198), (18, 4507665), (27, 3005110), (30, 2704599), (45, 1803066), (54, 1502555), (90, 901533), (135, 601022), (270, 300511)]