215339943

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 366420992

約数和(自身を除く): 151081049

約数列:

[1, 3, 7, 13, 21, 39, 61, 67, 91, 183, 193, 201, 273, 427, 469, 579, 793, 871, 1281, 1351, 1407, 2379, 2509, 2613, 4053, 4087, 5551, 6097, 7527, 11773, 12261, 12931, 16653, 17563, 18291, 28609, 35319, 38793, 52689, 53131, 82411, 85827, 90517, 153049, 159393, 168103, 247233, 271551, 371917, 459147, 504309, 788791, 1071343, 1115751, 1176721, 2366373, 3214029, 3530163, 5521537, 10254283, 16564611, 30762849, 71779981, 215339943]

約数ペア:

[(1, 215339943), (3, 71779981), (7, 30762849), (13, 16564611), (21, 10254283), (39, 5521537), (61, 3530163), (67, 3214029), (91, 2366373), (183, 1176721), (193, 1115751), (201, 1071343), (273, 788791), (427, 504309), (469, 459147), (579, 371917), (793, 271551), (871, 247233), (1281, 168103), (1351, 159393), (1407, 153049), (2379, 90517), (2509, 85827), (2613, 82411), (4053, 53131), (4087, 52689), (5551, 38793), (6097, 35319), (7527, 28609), (11773, 18291), (12261, 17563), (12931, 16653)]