72721341

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 144460800

約数和(自身を除く): 71739459

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 49, 57, 63, 77, 99, 133, 147, 171, 189, 209, 231, 263, 297, 399, 441, 513, 539, 627, 693, 789, 931, 1197, 1323, 1463, 1617, 1841, 1881, 2079, 2367, 2793, 2893, 3591, 4389, 4851, 4997, 5523, 5643, 7101, 8379, 8679, 10241, 12887, 13167, 14553, 14991, 16569, 20251, 25137, 26037, 30723, 34979, 38661, 39501, 44973, 49707, 54967, 60753, 78111, 92169, 104937, 115983, 134919, 141757, 164901, 182259, 244853, 276507, 314811, 347949, 384769, 425271, 494703, 546777, 734559, 944433, 1154307, 1275813, 1484109, 2203677, 2693383, 3462921, 3827439, 6611031, 8080149, 10388763, 24240447, 72721341]

約数ペア:

[(1, 72721341), (3, 24240447), (7, 10388763), (9, 8080149), (11, 6611031), (19, 3827439), (21, 3462921), (27, 2693383), (33, 2203677), (49, 1484109), (57, 1275813), (63, 1154307), (77, 944433), (99, 734559), (133, 546777), (147, 494703), (171, 425271), (189, 384769), (209, 347949), (231, 314811), (263, 276507), (297, 244853), (399, 182259), (441, 164901), (513, 141757), (539, 134919), (627, 115983), (693, 104937), (789, 92169), (931, 78111), (1197, 60753), (1323, 54967), (1463, 49707), (1617, 44973), (1841, 39501), (1881, 38661), (2079, 34979), (2367, 30723), (2793, 26037), (2893, 25137), (3591, 20251), (4389, 16569), (4851, 14991), (4997, 14553), (5523, 13167), (5643, 12887), (7101, 10241), (8379, 8679)]