31657743

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 54835200

約数和(自身を除く): 23177457

約数列:

[1, 3, 9, 13, 19, 27, 39, 47, 57, 101, 117, 141, 171, 247, 303, 351, 423, 513, 611, 741, 893, 909, 1269, 1313, 1833, 1919, 2223, 2679, 2727, 3939, 4747, 5499, 5757, 6669, 8037, 11609, 11817, 14241, 16497, 17271, 24111, 24947, 34827, 35451, 42723, 51813, 61711, 74841, 90193, 104481, 128169, 185133, 224523, 270579, 313443, 555399, 673569, 811737, 1172509, 1666197, 2435211, 3517527, 10552581, 31657743]

約数ペア:

[(1, 31657743), (3, 10552581), (9, 3517527), (13, 2435211), (19, 1666197), (27, 1172509), (39, 811737), (47, 673569), (57, 555399), (101, 313443), (117, 270579), (141, 224523), (171, 185133), (247, 128169), (303, 104481), (351, 90193), (423, 74841), (513, 61711), (611, 51813), (741, 42723), (893, 35451), (909, 34827), (1269, 24947), (1313, 24111), (1833, 17271), (1919, 16497), (2223, 14241), (2679, 11817), (2727, 11609), (3939, 8037), (4747, 6669), (5499, 5757)]