845138259

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{235349}}^1$

素因数の和:235384

約数の個数: 32

約数和(自身を含む): 1506240000

約数和(自身を除く): 661101741

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 235349, 706047, 1647443, 2118141, 4471631, 4942329, 6354423, 13414893, 14826987, 31301417, 40244679, 44480961, 93904251, 120734037, 281712753, 845138259]

約数ペア:

[(1, 845138259), (3, 281712753), (7, 120734037), (9, 93904251), (19, 44480961), (21, 40244679), (27, 31301417), (57, 14826987), (63, 13414893), (133, 6354423), (171, 4942329), (189, 4471631), (399, 2118141), (513, 1647443), (1197, 706047), (3591, 235349)]