391428531

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:535

約数の個数: 56

約数和(自身を含む): 639746016

約数和(自身を除く): 248317485

約数列:

[1, 3, 9, 13, 27, 39, 81, 103, 117, 243, 309, 351, 401, 729, 927, 1053, 1203, 1339, 2781, 3159, 3609, 4017, 5213, 8343, 9477, 10827, 12051, 15639, 25029, 32481, 36153, 41303, 46917, 75087, 97443, 108459, 123909, 140751, 292329, 325377, 371727, 422253, 536939, 976131, 1115181, 1266759, 1610817, 3345543, 3800277, 4832451, 10036629, 14497353, 30109887, 43492059, 130476177, 391428531]

約数ペア:

[(1, 391428531), (3, 130476177), (9, 43492059), (13, 30109887), (27, 14497353), (39, 10036629), (81, 4832451), (103, 3800277), (117, 3345543), (243, 1610817), (309, 1266759), (351, 1115181), (401, 976131), (729, 536939), (927, 422253), (1053, 371727), (1203, 325377), (1339, 292329), (2781, 140751), (3159, 123909), (3609, 108459), (4017, 97443), (5213, 75087), (8343, 46917), (9477, 41303), (10827, 36153), (12051, 32481), (15639, 25029)]