31491844137

素因数分解:

$3^2\times {\mathrm{13}}^4\times {\mathrm{101}}^1\times {\mathrm{1213}}^1$

素因数の和:1372

約数の個数: 60

約数和(自身を含む): 49807707924

約数和(自身を除く): 18315863787

約数列:

[1, 3, 9, 13, 39, 101, 117, 169, 303, 507, 909, 1213, 1313, 1521, 2197, 3639, 3939, 6591, 10917, 11817, 15769, 17069, 19773, 28561, 47307, 51207, 85683, 122513, 141921, 153621, 204997, 221897, 257049, 367539, 614991, 665691, 1102617, 1592669, 1844973, 1997073, 2664961, 2884661, 4778007, 7994883, 8653983, 14334021, 20704697, 23984649, 25961949, 34644493, 62114091, 103933479, 186342273, 269161061, 311800437, 807483183, 2422449549, 3499093793, 10497281379, 31491844137]

約数ペア:

[(1, 31491844137), (3, 10497281379), (9, 3499093793), (13, 2422449549), (39, 807483183), (101, 311800437), (117, 269161061), (169, 186342273), (303, 103933479), (507, 62114091), (909, 34644493), (1213, 25961949), (1313, 23984649), (1521, 20704697), (2197, 14334021), (3639, 8653983), (3939, 7994883), (6591, 4778007), (10917, 2884661), (11817, 2664961), (15769, 1997073), (17069, 1844973), (19773, 1592669), (28561, 1102617), (47307, 665691), (51207, 614991), (85683, 367539), (122513, 257049), (141921, 221897), (153621, 204997)]