326171979

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 586338480

約数和(自身を除く): 260166501

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 139, 147, 153, 313, 357, 417, 441, 833, 939, 973, 1071, 1251, 2191, 2363, 2499, 2817, 2919, 5321, 6573, 6811, 7089, 7497, 8757, 15337, 15963, 16541, 19719, 20433, 21267, 37247, 43507, 46011, 47889, 49623, 61299, 111741, 115787, 130521, 138033, 148869, 260729, 304549, 335223, 347361, 391563, 739619, 782187, 913647, 1042083, 2131843, 2218857, 2346561, 2740941, 5177333, 6395529, 6656571, 15531999, 19186587, 36241331, 46595997, 108723993, 326171979]

約数ペア:

[(1, 326171979), (3, 108723993), (7, 46595997), (9, 36241331), (17, 19186587), (21, 15531999), (49, 6656571), (51, 6395529), (63, 5177333), (119, 2740941), (139, 2346561), (147, 2218857), (153, 2131843), (313, 1042083), (357, 913647), (417, 782187), (441, 739619), (833, 391563), (939, 347361), (973, 335223), (1071, 304549), (1251, 260729), (2191, 148869), (2363, 138033), (2499, 130521), (2817, 115787), (2919, 111741), (5321, 61299), (6573, 49623), (6811, 47889), (7089, 46011), (7497, 43507), (8757, 37247), (15337, 21267), (15963, 20433), (16541, 19719)]