7641819

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 12729600

約数和(自身を除く): 5087781

約数列:

[1, 3, 9, 19, 23, 29, 57, 67, 69, 87, 171, 201, 207, 261, 437, 551, 603, 667, 1273, 1311, 1541, 1653, 1943, 2001, 3819, 3933, 4623, 4959, 5829, 6003, 11457, 12673, 13869, 17487, 29279, 36917, 38019, 44689, 87837, 110751, 114057, 134067, 263511, 332253, 402201, 849091, 2547273, 7641819]

約数ペア:

[(1, 7641819), (3, 2547273), (9, 849091), (19, 402201), (23, 332253), (29, 263511), (57, 134067), (67, 114057), (69, 110751), (87, 87837), (171, 44689), (201, 38019), (207, 36917), (261, 29279), (437, 17487), (551, 13869), (603, 12673), (667, 11457), (1273, 6003), (1311, 5829), (1541, 4959), (1653, 4623), (1943, 3933), (2001, 3819)]