190023921

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 313632000

約数和(自身を除く): 123608079

約数列:

[1, 3, 9, 19, 27, 29, 53, 57, 87, 159, 171, 241, 261, 477, 513, 551, 723, 783, 1007, 1431, 1537, 1653, 2169, 3021, 4579, 4611, 4959, 6507, 6989, 9063, 12773, 13737, 13833, 14877, 20967, 27189, 29203, 38319, 41211, 41499, 62901, 87609, 114957, 123633, 132791, 188703, 242687, 262827, 344871, 370417, 398373, 728061, 788481, 1111251, 1195119, 2184183, 3333753, 3585357, 6552549, 7037923, 10001259, 21113769, 63341307, 190023921]

約数ペア:

[(1, 190023921), (3, 63341307), (9, 21113769), (19, 10001259), (27, 7037923), (29, 6552549), (53, 3585357), (57, 3333753), (87, 2184183), (159, 1195119), (171, 1111251), (241, 788481), (261, 728061), (477, 398373), (513, 370417), (551, 344871), (723, 262827), (783, 242687), (1007, 188703), (1431, 132791), (1537, 123633), (1653, 114957), (2169, 87609), (3021, 62901), (4579, 41499), (4611, 41211), (4959, 38319), (6507, 29203), (6989, 27189), (9063, 20967), (12773, 14877), (13737, 13833)]