1821435

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 3870720

約数和(自身を除く): 2049285

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 33, 35, 55, 57, 77, 83, 95, 105, 133, 165, 209, 231, 249, 285, 385, 399, 415, 581, 627, 665, 913, 1045, 1155, 1245, 1463, 1577, 1743, 1995, 2739, 2905, 3135, 4389, 4565, 4731, 6391, 7315, 7885, 8715, 11039, 13695, 17347, 19173, 21945, 23655, 31955, 33117, 52041, 55195, 86735, 95865, 121429, 165585, 260205, 364287, 607145, 1821435]

約数ペア:

[(1, 1821435), (3, 607145), (5, 364287), (7, 260205), (11, 165585), (15, 121429), (19, 95865), (21, 86735), (33, 55195), (35, 52041), (55, 33117), (57, 31955), (77, 23655), (83, 21945), (95, 19173), (105, 17347), (133, 13695), (165, 11039), (209, 8715), (231, 7885), (249, 7315), (285, 6391), (385, 4731), (399, 4565), (415, 4389), (581, 3135), (627, 2905), (665, 2739), (913, 1995), (1045, 1743), (1155, 1577), (1245, 1463)]