1811979

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{911}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 2987712

約数和(自身を除く): 1175733

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 911, 1989, 2733, 8199, 11843, 15487, 35529, 46461, 106587, 139383, 201331, 603993, 1811979]

約数ペア:

[(1, 1811979), (3, 603993), (9, 201331), (13, 139383), (17, 106587), (39, 46461), (51, 35529), (117, 15487), (153, 11843), (221, 8199), (663, 2733), (911, 1989)]