61509609

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 106254720

約数和(自身を除く): 44745111

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 131, 203, 257, 261, 393, 609, 771, 917, 1179, 1799, 1827, 2313, 2751, 3799, 5397, 7453, 8253, 11397, 16191, 22359, 26593, 33667, 34191, 52171, 67077, 79779, 101001, 156513, 235669, 239337, 303003, 469539, 707007, 976343, 2121021, 2929029, 6834401, 8787087, 20503203, 61509609]

約数ペア:

[(1, 61509609), (3, 20503203), (7, 8787087), (9, 6834401), (21, 2929029), (29, 2121021), (63, 976343), (87, 707007), (131, 469539), (203, 303003), (257, 239337), (261, 235669), (393, 156513), (609, 101001), (771, 79779), (917, 67077), (1179, 52171), (1799, 34191), (1827, 33667), (2313, 26593), (2751, 22359), (3799, 16191), (5397, 11397), (7453, 8253)]