18361161

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 80

約数和(自身を含む): 35126784

約数和(自身を除く): 16765623

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 47, 53, 63, 81, 91, 117, 141, 159, 189, 273, 329, 351, 371, 423, 477, 567, 611, 689, 819, 987, 1053, 1113, 1269, 1431, 1833, 2067, 2457, 2491, 2961, 3339, 3807, 4277, 4293, 4823, 5499, 6201, 7371, 7473, 8883, 10017, 12831, 14469, 16497, 17437, 18603, 22419, 26649, 30051, 32383, 38493, 43407, 49491, 52311, 55809, 67257, 97149, 115479, 130221, 156933, 201771, 226681, 291447, 346437, 390663, 470799, 680043, 874341, 1412397, 2040129, 2623023, 6120387, 18361161]

約数ペア:

[(1, 18361161), (3, 6120387), (7, 2623023), (9, 2040129), (13, 1412397), (21, 874341), (27, 680043), (39, 470799), (47, 390663), (53, 346437), (63, 291447), (81, 226681), (91, 201771), (117, 156933), (141, 130221), (159, 115479), (189, 97149), (273, 67257), (329, 55809), (351, 52311), (371, 49491), (423, 43407), (477, 38493), (567, 32383), (611, 30051), (689, 26649), (819, 22419), (987, 18603), (1053, 17437), (1113, 16497), (1269, 14469), (1431, 12831), (1833, 10017), (2067, 8883), (2457, 7473), (2491, 7371), (2961, 6201), (3339, 5499), (3807, 4823), (4277, 4293)]