17966334393

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{145723}}^1$

素因数の和:145858

約数の個数: 48

約数和(自身を含む): 31523015680

約数和(自身を除く): 13556681287

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 103, 133, 171, 309, 399, 721, 927, 1197, 1957, 2163, 5871, 6489, 13699, 17613, 41097, 123291, 145723, 437169, 1020061, 1311507, 2768737, 3060183, 8306211, 9180549, 15009469, 19381159, 24918633, 45028407, 58143477, 105066283, 135085221, 174430431, 285179911, 315198849, 855539733, 945596547, 1996259377, 2566619199, 5988778131, 17966334393]

約数ペア:

[(1, 17966334393), (3, 5988778131), (7, 2566619199), (9, 1996259377), (19, 945596547), (21, 855539733), (57, 315198849), (63, 285179911), (103, 174430431), (133, 135085221), (171, 105066283), (309, 58143477), (399, 45028407), (721, 24918633), (927, 19381159), (1197, 15009469), (1957, 9180549), (2163, 8306211), (5871, 3060183), (6489, 2768737), (13699, 1311507), (17613, 1020061), (41097, 437169), (123291, 145723)]