17950023

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 33860736

約数和(自身を除く): 15910713

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 49, 63, 91, 93, 101, 117, 147, 217, 273, 279, 303, 403, 441, 637, 651, 707, 819, 909, 1209, 1313, 1519, 1911, 1953, 2121, 2821, 3131, 3627, 3939, 4557, 4949, 5733, 6363, 8463, 9191, 9393, 11817, 13671, 14847, 19747, 21917, 25389, 27573, 28179, 40703, 44541, 59241, 64337, 65751, 82719, 122109, 153419, 177723, 193011, 197253, 284921, 366327, 460257, 579033, 854763, 1380771, 1994447, 2564289, 5983341, 17950023]

約数ペア:

[(1, 17950023), (3, 5983341), (7, 2564289), (9, 1994447), (13, 1380771), (21, 854763), (31, 579033), (39, 460257), (49, 366327), (63, 284921), (91, 197253), (93, 193011), (101, 177723), (117, 153419), (147, 122109), (217, 82719), (273, 65751), (279, 64337), (303, 59241), (403, 44541), (441, 40703), (637, 28179), (651, 27573), (707, 25389), (819, 21917), (909, 19747), (1209, 14847), (1313, 13671), (1519, 11817), (1911, 9393), (1953, 9191), (2121, 8463), (2821, 6363), (3131, 5733), (3627, 4949), (3939, 4557)]