1218685137

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{26759}}^1$

素因数の和:26845

約数の個数: 32

約数和(自身を含む): 1849651200

約数和(自身を除く): 630966063

約数列:

[1, 3, 17, 19, 47, 51, 57, 141, 323, 799, 893, 969, 2397, 2679, 15181, 26759, 45543, 80277, 454903, 508421, 1257673, 1364709, 1525263, 3773019, 8643157, 21380441, 23895787, 25929471, 64141323, 71687361, 406228379, 1218685137]

約数ペア:

[(1, 1218685137), (3, 406228379), (17, 71687361), (19, 64141323), (47, 25929471), (51, 23895787), (57, 21380441), (141, 8643157), (323, 3773019), (799, 1525263), (893, 1364709), (969, 1257673), (2397, 508421), (2679, 454903), (15181, 80277), (26759, 45543)]