201641319

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 355217280

約数和(自身を除く): 153575961

約数列:

[1, 3, 9, 11, 19, 27, 33, 43, 57, 81, 99, 129, 171, 209, 277, 297, 387, 473, 513, 627, 817, 831, 891, 1161, 1419, 1539, 1881, 2451, 2493, 3047, 3483, 4257, 5263, 5643, 7353, 7479, 8987, 9141, 11911, 12771, 15789, 16929, 22059, 22437, 26961, 27423, 35733, 38313, 47367, 57893, 66177, 80883, 82269, 107199, 131021, 142101, 173679, 226309, 242649, 246807, 321597, 393063, 426303, 521037, 678927, 727947, 964791, 1179189, 1563111, 2036781, 2489399, 3537567, 4689333, 6110343, 7468197, 10612701, 18331029, 22404591, 67213773, 201641319]

約数ペア:

[(1, 201641319), (3, 67213773), (9, 22404591), (11, 18331029), (19, 10612701), (27, 7468197), (33, 6110343), (43, 4689333), (57, 3537567), (81, 2489399), (99, 2036781), (129, 1563111), (171, 1179189), (209, 964791), (277, 727947), (297, 678927), (387, 521037), (473, 426303), (513, 393063), (627, 321597), (817, 246807), (831, 242649), (891, 226309), (1161, 173679), (1419, 142101), (1539, 131021), (1881, 107199), (2451, 82269), (2493, 80883), (3047, 66177), (3483, 57893), (4257, 47367), (5263, 38313), (5643, 35733), (7353, 27423), (7479, 26961), (8987, 22437), (9141, 22059), (11911, 16929), (12771, 15789)]