2140215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 4561920

約数和(自身を除く): 2421705

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 51, 55, 77, 85, 105, 109, 119, 165, 187, 231, 255, 327, 357, 385, 545, 561, 595, 763, 935, 1155, 1199, 1309, 1635, 1785, 1853, 2289, 2805, 3597, 3815, 3927, 5559, 5995, 6545, 8393, 9265, 11445, 12971, 17985, 19635, 20383, 25179, 27795, 38913, 41965, 61149, 64855, 101915, 125895, 142681, 194565, 305745, 428043, 713405, 2140215]

約数ペア:

[(1, 2140215), (3, 713405), (5, 428043), (7, 305745), (11, 194565), (15, 142681), (17, 125895), (21, 101915), (33, 64855), (35, 61149), (51, 41965), (55, 38913), (77, 27795), (85, 25179), (105, 20383), (109, 19635), (119, 17985), (165, 12971), (187, 11445), (231, 9265), (255, 8393), (327, 6545), (357, 5995), (385, 5559), (545, 3927), (561, 3815), (595, 3597), (763, 2805), (935, 2289), (1155, 1853), (1199, 1785), (1309, 1635)]