39919095

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 76032000

約数和(自身を除く): 36112905

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 79, 95, 135, 171, 197, 237, 285, 395, 513, 591, 711, 855, 985, 1185, 1501, 1773, 2133, 2565, 2955, 3555, 3743, 4503, 5319, 7505, 8865, 10665, 11229, 13509, 15563, 18715, 22515, 26595, 33687, 40527, 46689, 56145, 67545, 77815, 101061, 140067, 168435, 202635, 233445, 295697, 420201, 505305, 700335, 887091, 1478485, 2101005, 2661273, 4435455, 7983819, 13306365, 39919095]

約数ペア:

[(1, 39919095), (3, 13306365), (5, 7983819), (9, 4435455), (15, 2661273), (19, 2101005), (27, 1478485), (45, 887091), (57, 700335), (79, 505305), (95, 420201), (135, 295697), (171, 233445), (197, 202635), (237, 168435), (285, 140067), (395, 101061), (513, 77815), (591, 67545), (711, 56145), (855, 46689), (985, 40527), (1185, 33687), (1501, 26595), (1773, 22515), (2133, 18715), (2565, 15563), (2955, 13509), (3555, 11229), (3743, 10665), (4503, 8865), (5319, 7505)]