197253225

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 120

約数和(自身を含む): 403307520

約数和(自身を除く): 206054295

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 59, 65, 75, 81, 117, 127, 135, 177, 195, 225, 295, 325, 351, 381, 405, 531, 585, 635, 675, 767, 885, 975, 1053, 1143, 1475, 1593, 1651, 1755, 1905, 2025, 2301, 2655, 2925, 3175, 3429, 3835, 4425, 4779, 4953, 5265, 5715, 6903, 7493, 7965, 8255, 8775, 9525, 10287, 11505, 13275, 14859, 17145, 19175, 20709, 22479, 23895, 24765, 26325, 28575, 34515, 37465, 39825, 41275, 44577, 51435, 57525, 62127, 67437, 74295, 85725, 97409, 103545, 112395, 119475, 123825, 133731, 172575, 187325, 202311, 222885, 257175, 292227, 310635, 337185, 371475, 487045, 517725, 561975, 606933, 668655, 876681, 1011555, 1114425, 1461135, 1553175, 1685925, 2435225, 2630043, 3034665, 3343275, 4383405, 5057775, 7305675, 7890129, 13150215, 15173325, 21917025, 39450645, 65751075, 197253225]

約数ペア:

[(1, 197253225), (3, 65751075), (5, 39450645), (9, 21917025), (13, 15173325), (15, 13150215), (25, 7890129), (27, 7305675), (39, 5057775), (45, 4383405), (59, 3343275), (65, 3034665), (75, 2630043), (81, 2435225), (117, 1685925), (127, 1553175), (135, 1461135), (177, 1114425), (195, 1011555), (225, 876681), (295, 668655), (325, 606933), (351, 561975), (381, 517725), (405, 487045), (531, 371475), (585, 337185), (635, 310635), (675, 292227), (767, 257175), (885, 222885), (975, 202311), (1053, 187325), (1143, 172575), (1475, 133731), (1593, 123825), (1651, 119475), (1755, 112395), (1905, 103545), (2025, 97409), (2301, 85725), (2655, 74295), (2925, 67437), (3175, 62127), (3429, 57525), (3835, 51435), (4425, 44577), (4779, 41275), (4953, 39825), (5265, 37465), (5715, 34515), (6903, 28575), (7493, 26325), (7965, 24765), (8255, 23895), (8775, 22479), (9525, 20709), (10287, 19175), (11505, 17145), (13275, 14859)]