31320135

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:186

約数の個数: 128

約数和(自身を含む): 72990720

約数和(自身を除く): 41670585

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 23, 27, 33, 35, 45, 55, 63, 69, 77, 99, 105, 115, 131, 135, 161, 165, 189, 207, 231, 253, 297, 315, 345, 385, 393, 483, 495, 621, 655, 693, 759, 805, 917, 945, 1035, 1155, 1179, 1265, 1441, 1449, 1485, 1771, 1965, 2079, 2277, 2415, 2751, 3013, 3105, 3465, 3537, 3795, 4323, 4347, 4585, 5313, 5895, 6831, 7205, 7245, 8253, 8855, 9039, 10087, 10395, 11385, 12969, 13755, 15065, 15939, 17685, 21091, 21615, 21735, 24759, 26565, 27117, 30261, 33143, 34155, 38907, 41265, 45195, 47817, 50435, 63273, 64845, 79695, 81351, 90783, 99429, 105455, 123795, 135585, 151305, 165715, 189819, 194535, 232001, 239085, 272349, 298287, 316365, 406755, 453915, 497145, 569457, 696003, 894861, 949095, 1160005, 1361745, 1491435, 2088009, 2847285, 3480015, 4474305, 6264027, 10440045, 31320135]

約数ペア:

[(1, 31320135), (3, 10440045), (5, 6264027), (7, 4474305), (9, 3480015), (11, 2847285), (15, 2088009), (21, 1491435), (23, 1361745), (27, 1160005), (33, 949095), (35, 894861), (45, 696003), (55, 569457), (63, 497145), (69, 453915), (77, 406755), (99, 316365), (105, 298287), (115, 272349), (131, 239085), (135, 232001), (161, 194535), (165, 189819), (189, 165715), (207, 151305), (231, 135585), (253, 123795), (297, 105455), (315, 99429), (345, 90783), (385, 81351), (393, 79695), (483, 64845), (495, 63273), (621, 50435), (655, 47817), (693, 45195), (759, 41265), (805, 38907), (917, 34155), (945, 33143), (1035, 30261), (1155, 27117), (1179, 26565), (1265, 24759), (1441, 21735), (1449, 21615), (1485, 21091), (1771, 17685), (1965, 15939), (2079, 15065), (2277, 13755), (2415, 12969), (2751, 11385), (3013, 10395), (3105, 10087), (3465, 9039), (3537, 8855), (3795, 8253), (4323, 7245), (4347, 7205), (4585, 6831), (5313, 5895)]