71853345

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 136224000

約数和(自身を除く): 64370655

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 109, 135, 171, 257, 285, 327, 513, 545, 771, 855, 981, 1285, 1635, 2071, 2313, 2565, 2943, 3855, 4883, 4905, 6213, 6939, 10355, 11565, 14649, 14715, 18639, 24415, 28013, 31065, 34695, 43947, 55917, 73245, 84039, 93195, 131841, 140065, 219735, 252117, 279585, 420195, 532247, 659205, 756351, 1260585, 1596741, 2661235, 3781755, 4790223, 7983705, 14370669, 23951115, 71853345]

約数ペア:

[(1, 71853345), (3, 23951115), (5, 14370669), (9, 7983705), (15, 4790223), (19, 3781755), (27, 2661235), (45, 1596741), (57, 1260585), (95, 756351), (109, 659205), (135, 532247), (171, 420195), (257, 279585), (285, 252117), (327, 219735), (513, 140065), (545, 131841), (771, 93195), (855, 84039), (981, 73245), (1285, 55917), (1635, 43947), (2071, 34695), (2313, 31065), (2565, 28013), (2943, 24415), (3855, 18639), (4883, 14715), (4905, 14649), (6213, 11565), (6939, 10355)]