13820961

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 25067520

約数和(自身を除く): 11246559

約数列:

[1, 3, 7, 11, 19, 21, 33, 47, 57, 67, 77, 133, 141, 201, 209, 231, 329, 399, 469, 517, 627, 737, 893, 987, 1273, 1407, 1463, 1551, 2211, 2679, 3149, 3619, 3819, 4389, 5159, 6251, 8911, 9447, 9823, 10857, 14003, 15477, 18753, 22043, 26733, 29469, 34639, 42009, 59831, 66129, 68761, 98021, 103917, 179493, 206283, 242473, 294063, 418817, 658141, 727419, 1256451, 1974423, 4606987, 13820961]

約数ペア:

[(1, 13820961), (3, 4606987), (7, 1974423), (11, 1256451), (19, 727419), (21, 658141), (33, 418817), (47, 294063), (57, 242473), (67, 206283), (77, 179493), (133, 103917), (141, 98021), (201, 68761), (209, 66129), (231, 59831), (329, 42009), (399, 34639), (469, 29469), (517, 26733), (627, 22043), (737, 18753), (893, 15477), (987, 14003), (1273, 10857), (1407, 9823), (1463, 9447), (1551, 8911), (2211, 6251), (2679, 5159), (3149, 4389), (3619, 3819)]