131567751

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 244408320

約数和(自身を除く): 112840569

約数列:

[1, 3, 7, 9, 21, 23, 29, 31, 63, 69, 87, 93, 101, 161, 203, 207, 217, 261, 279, 303, 483, 609, 651, 667, 707, 713, 899, 909, 1449, 1827, 1953, 2001, 2121, 2139, 2323, 2697, 2929, 3131, 4669, 4991, 6003, 6293, 6363, 6417, 6969, 8091, 8787, 9393, 14007, 14973, 16261, 18879, 20503, 20677, 20907, 21917, 26361, 28179, 42021, 44919, 48783, 56637, 61509, 62031, 65751, 67367, 72013, 90799, 144739, 146349, 184527, 186093, 197253, 202101, 216039, 272397, 434217, 471569, 504091, 606303, 635593, 648117, 817191, 1302651, 1414707, 1512273, 1906779, 2088377, 4244121, 4536819, 5720337, 6265131, 14618639, 18795393, 43855917, 131567751]

約数ペア:

[(1, 131567751), (3, 43855917), (7, 18795393), (9, 14618639), (21, 6265131), (23, 5720337), (29, 4536819), (31, 4244121), (63, 2088377), (69, 1906779), (87, 1512273), (93, 1414707), (101, 1302651), (161, 817191), (203, 648117), (207, 635593), (217, 606303), (261, 504091), (279, 471569), (303, 434217), (483, 272397), (609, 216039), (651, 202101), (667, 197253), (707, 186093), (713, 184527), (899, 146349), (909, 144739), (1449, 90799), (1827, 72013), (1953, 67367), (2001, 65751), (2121, 62031), (2139, 61509), (2323, 56637), (2697, 48783), (2929, 44919), (3131, 42021), (4669, 28179), (4991, 26361), (6003, 21917), (6293, 20907), (6363, 20677), (6417, 20503), (6969, 18879), (8091, 16261), (8787, 14973), (9393, 14007)]