18138099

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 31200768

約数和(自身を除く): 13062669

約数列:

[1, 3, 7, 17, 21, 23, 47, 51, 69, 119, 141, 161, 329, 357, 391, 483, 799, 987, 1081, 1173, 2209, 2397, 2737, 3243, 5593, 6627, 7567, 8211, 15463, 16779, 18377, 22701, 37553, 46389, 50807, 55131, 112659, 128639, 152421, 262871, 355649, 385917, 788613, 863719, 1066947, 2591157, 6046033, 18138099]

約数ペア:

[(1, 18138099), (3, 6046033), (7, 2591157), (17, 1066947), (21, 863719), (23, 788613), (47, 385917), (51, 355649), (69, 262871), (119, 152421), (141, 128639), (161, 112659), (329, 55131), (357, 50807), (391, 46389), (483, 37553), (799, 22701), (987, 18377), (1081, 16779), (1173, 15463), (2209, 8211), (2397, 7567), (2737, 6627), (3243, 5593)]