31489290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{16661}}^1$

素因数の和:16684

約数の個数: 64

約数和(自身を含む): 95973120

約数和(自身を除く): 64483830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 16661, 33322, 49983, 83305, 99966, 116627, 149949, 166610, 233254, 249915, 299898, 349881, 449847, 499830, 583135, 699762, 749745, 899694, 1049643, 1166270, 1499490, 1749405, 2099286, 2249235, 3148929, 3498810, 4498470, 5248215, 6297858, 10496430, 15744645, 31489290]

約数ペア:

[(1, 31489290), (2, 15744645), (3, 10496430), (5, 6297858), (6, 5248215), (7, 4498470), (9, 3498810), (10, 3148929), (14, 2249235), (15, 2099286), (18, 1749405), (21, 1499490), (27, 1166270), (30, 1049643), (35, 899694), (42, 749745), (45, 699762), (54, 583135), (63, 499830), (70, 449847), (90, 349881), (105, 299898), (126, 249915), (135, 233254), (189, 166610), (210, 149949), (270, 116627), (315, 99966), (378, 83305), (630, 49983), (945, 33322), (1890, 16661)]