1206975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:61

約数の個数: 72

約数和(自身を含む): 2638720

約数和(自身を除く): 1431745

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 25, 33, 35, 55, 57, 75, 77, 95, 105, 121, 133, 165, 175, 209, 231, 275, 285, 363, 385, 399, 475, 525, 605, 627, 665, 825, 847, 1045, 1155, 1425, 1463, 1815, 1925, 1995, 2299, 2541, 3025, 3135, 3325, 4235, 4389, 5225, 5775, 6897, 7315, 9075, 9975, 11495, 12705, 15675, 16093, 21175, 21945, 34485, 36575, 48279, 57475, 63525, 80465, 109725, 172425, 241395, 402325, 1206975]

約数ペア:

[(1, 1206975), (3, 402325), (5, 241395), (7, 172425), (11, 109725), (15, 80465), (19, 63525), (21, 57475), (25, 48279), (33, 36575), (35, 34485), (55, 21945), (57, 21175), (75, 16093), (77, 15675), (95, 12705), (105, 11495), (121, 9975), (133, 9075), (165, 7315), (175, 6897), (209, 5775), (231, 5225), (275, 4389), (285, 4235), (363, 3325), (385, 3135), (399, 3025), (475, 2541), (525, 2299), (605, 1995), (627, 1925), (665, 1815), (825, 1463), (847, 1425), (1045, 1155)]