664172955

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{641713}}^1$

素因数の和:641747

約数の個数: 24

約数和(自身を含む): 1201288608

約数和(自身を除く): 537115653

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 641713, 1925139, 3208565, 5775417, 9625695, 14759399, 28877085, 44278197, 73796995, 132834591, 221390985, 664172955]

約数ペア:

[(1, 664172955), (3, 221390985), (5, 132834591), (9, 73796995), (15, 44278197), (23, 28877085), (45, 14759399), (69, 9625695), (115, 5775417), (207, 3208565), (345, 1925139), (1035, 641713)]