1902451221

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{128971}}^1$

素因数の和:129137

約数の個数: 24

約数和(自身を含む): 3017944800

約数和(自身を除く): 1115493579

約数列:

[1, 3, 9, 11, 33, 99, 149, 447, 1341, 1639, 4917, 14751, 128971, 386913, 1160739, 1418681, 4256043, 12768129, 19216679, 57650037, 172950111, 211383469, 634150407, 1902451221]

約数ペア:

[(1, 1902451221), (3, 634150407), (9, 211383469), (11, 172950111), (33, 57650037), (99, 19216679), (149, 12768129), (447, 4256043), (1341, 1418681), (1639, 1160739), (4917, 386913), (14751, 128971)]