71308215

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1605

約数の個数: 64

約数和(自身を含む): 142848000

約数和(自身を除く): 71539785

約数列:

[1, 3, 5, 9, 11, 15, 27, 31, 33, 45, 55, 93, 99, 135, 155, 165, 279, 297, 341, 465, 495, 837, 1023, 1395, 1485, 1549, 1705, 3069, 4185, 4647, 5115, 7745, 9207, 13941, 15345, 17039, 23235, 41823, 46035, 48019, 51117, 69705, 85195, 144057, 153351, 209115, 240095, 255585, 432171, 460053, 528209, 720285, 766755, 1296513, 1584627, 2160855, 2300265, 2641045, 4753881, 6482565, 7923135, 14261643, 23769405, 71308215]

約数ペア:

[(1, 71308215), (3, 23769405), (5, 14261643), (9, 7923135), (11, 6482565), (15, 4753881), (27, 2641045), (31, 2300265), (33, 2160855), (45, 1584627), (55, 1296513), (93, 766755), (99, 720285), (135, 528209), (155, 460053), (165, 432171), (279, 255585), (297, 240095), (341, 209115), (465, 153351), (495, 144057), (837, 85195), (1023, 69705), (1395, 51117), (1485, 48019), (1549, 46035), (1705, 41823), (3069, 23235), (4185, 17039), (4647, 15345), (5115, 13941), (7745, 9207)]