1640918097

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{907}}^1$

素因数の和:1027

約数の個数: 72

約数和(自身を含む): 2983862336

約数和(自身を除く): 1342944239

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 63, 91, 117, 141, 273, 329, 423, 611, 819, 907, 987, 1833, 2209, 2721, 2961, 4277, 5499, 6349, 6627, 8163, 11791, 12831, 15463, 19047, 19881, 28717, 35373, 38493, 42629, 46389, 57141, 82537, 86151, 106119, 127887, 139167, 201019, 247611, 258453, 298403, 383661, 554177, 603057, 742833, 895209, 1662531, 1809171, 2003563, 2685627, 3879239, 4987593, 6010689, 11637717, 14024941, 18032067, 26046319, 34913151, 42074823, 78138957, 126224469, 182324233, 234416871, 546972699, 1640918097]

約数ペア:

[(1, 1640918097), (3, 546972699), (7, 234416871), (9, 182324233), (13, 126224469), (21, 78138957), (39, 42074823), (47, 34913151), (63, 26046319), (91, 18032067), (117, 14024941), (141, 11637717), (273, 6010689), (329, 4987593), (423, 3879239), (611, 2685627), (819, 2003563), (907, 1809171), (987, 1662531), (1833, 895209), (2209, 742833), (2721, 603057), (2961, 554177), (4277, 383661), (5499, 298403), (6349, 258453), (6627, 247611), (8163, 201019), (11791, 139167), (12831, 127887), (15463, 106119), (19047, 86151), (19881, 82537), (28717, 57141), (35373, 46389), (38493, 42629)]