158657961

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1054

約数の個数: 64

約数和(自身を含む): 285419520

約数和(自身を除く): 126761559

約数列:

[1, 3, 7, 11, 19, 21, 33, 37, 57, 77, 111, 133, 209, 231, 259, 399, 407, 627, 703, 777, 977, 1221, 1463, 2109, 2849, 2931, 4389, 4921, 6839, 7733, 8547, 10747, 14763, 18563, 20517, 23199, 32241, 36149, 54131, 55689, 75229, 108447, 129941, 162393, 204193, 225687, 253043, 389823, 397639, 612579, 686831, 759129, 1192917, 1429351, 2060493, 2783473, 4288053, 4807817, 7555141, 8350419, 14423451, 22665423, 52885987, 158657961]

約数ペア:

[(1, 158657961), (3, 52885987), (7, 22665423), (11, 14423451), (19, 8350419), (21, 7555141), (33, 4807817), (37, 4288053), (57, 2783473), (77, 2060493), (111, 1429351), (133, 1192917), (209, 759129), (231, 686831), (259, 612579), (399, 397639), (407, 389823), (627, 253043), (703, 225687), (777, 204193), (977, 162393), (1221, 129941), (1463, 108447), (2109, 75229), (2849, 55689), (2931, 54131), (4389, 36149), (4921, 32241), (6839, 23199), (7733, 20517), (8547, 18563), (10747, 14763)]