39918690

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{21121}}^1$

素因数の和:21144

約数の個数: 64

約数和(自身を含む): 121662720

約数和(自身を除く): 81744030

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, 21121, 42242, 63363, 105605, 126726, 147847, 190089, 211210, 295694, 316815, 380178, 443541, 570267, 633630, 739235, 887082, 950445, 1140534, 1330623, 1478470, 1900890, 2217705, 2661246, 2851335, 3991869, 4435410, 5702670, 6653115, 7983738, 13306230, 19959345, 39918690]

約数ペア:

[(1, 39918690), (2, 19959345), (3, 13306230), (5, 7983738), (6, 6653115), (7, 5702670), (9, 4435410), (10, 3991869), (14, 2851335), (15, 2661246), (18, 2217705), (21, 1900890), (27, 1478470), (30, 1330623), (35, 1140534), (42, 950445), (45, 887082), (54, 739235), (63, 633630), (70, 570267), (90, 443541), (105, 380178), (126, 316815), (135, 295694), (189, 211210), (210, 190089), (270, 147847), (315, 126726), (378, 105605), (630, 63363), (945, 42242), (1890, 21121)]