12902655

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 8870145

約数列:

[1, 3, 5, 15, 23, 69, 115, 149, 251, 345, 447, 745, 753, 1255, 2235, 3427, 3765, 5773, 10281, 17135, 17319, 28865, 37399, 51405, 86595, 112197, 186995, 560985, 860177, 2580531, 4300885, 12902655]

約数ペア:

[(1, 12902655), (3, 4300885), (5, 2580531), (15, 860177), (23, 560985), (69, 186995), (115, 112197), (149, 86595), (251, 51405), (345, 37399), (447, 28865), (745, 17319), (753, 17135), (1255, 10281), (2235, 5773), (3427, 3765)]