291268497

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 460615680

約数和(自身を除く): 169347183

約数列:

[1, 3, 13, 17, 39, 51, 67, 79, 83, 201, 221, 237, 249, 663, 871, 1027, 1079, 1139, 1343, 1411, 2613, 3081, 3237, 3417, 4029, 4233, 5293, 5561, 6557, 14807, 15879, 16683, 17459, 18343, 19671, 44421, 52377, 55029, 68809, 72293, 85241, 89981, 94537, 111469, 206427, 216879, 255723, 269943, 283611, 334407, 439319, 1169753, 1228981, 1317957, 1449097, 3509259, 3686943, 4347291, 5711147, 7468423, 17133441, 22405269, 97089499, 291268497]

約数ペア:

[(1, 291268497), (3, 97089499), (13, 22405269), (17, 17133441), (39, 7468423), (51, 5711147), (67, 4347291), (79, 3686943), (83, 3509259), (201, 1449097), (221, 1317957), (237, 1228981), (249, 1169753), (663, 439319), (871, 334407), (1027, 283611), (1079, 269943), (1139, 255723), (1343, 216879), (1411, 206427), (2613, 111469), (3081, 94537), (3237, 89981), (3417, 85241), (4029, 72293), (4233, 68809), (5293, 55029), (5561, 52377), (6557, 44421), (14807, 19671), (15879, 18343), (16683, 17459)]