1218945429

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 2049062400

約数和(自身を除く): 830116971

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 179, 223, 261, 351, 377, 537, 669, 783, 1053, 1131, 1611, 2007, 2327, 2349, 2899, 3393, 4833, 5191, 6021, 6467, 6981, 8697, 10179, 14499, 15573, 18063, 19401, 20943, 26091, 30537, 39917, 46719, 58203, 62829, 67483, 78273, 84071, 119751, 140157, 174609, 188487, 202449, 234819, 252213, 359253, 420471, 518921, 523827, 607347, 756639, 1077759, 1157593, 1556763, 1822041, 2269917, 3233277, 3472779, 4670289, 5466123, 6809751, 10418337, 14010867, 15048709, 31255011, 42032601, 45146127, 93765033, 135438381, 406315143, 1218945429]

約数ペア:

[(1, 1218945429), (3, 406315143), (9, 135438381), (13, 93765033), (27, 45146127), (29, 42032601), (39, 31255011), (81, 15048709), (87, 14010867), (117, 10418337), (179, 6809751), (223, 5466123), (261, 4670289), (351, 3472779), (377, 3233277), (537, 2269917), (669, 1822041), (783, 1556763), (1053, 1157593), (1131, 1077759), (1611, 756639), (2007, 607347), (2327, 523827), (2349, 518921), (2899, 420471), (3393, 359253), (4833, 252213), (5191, 234819), (6021, 202449), (6467, 188487), (6981, 174609), (8697, 140157), (10179, 119751), (14499, 84071), (15573, 78273), (18063, 67483), (19401, 62829), (20943, 58203), (26091, 46719), (30537, 39917)]