1001805

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:98

約数の個数: 48

約数和(自身を含む): 1969920

約数和(自身を除く): 968115

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 47, 49, 87, 105, 141, 145, 147, 203, 235, 245, 329, 435, 609, 705, 735, 987, 1015, 1363, 1421, 1645, 2303, 3045, 4089, 4263, 4935, 6815, 6909, 7105, 9541, 11515, 20445, 21315, 28623, 34545, 47705, 66787, 143115, 200361, 333935, 1001805]

約数ペア:

[(1, 1001805), (3, 333935), (5, 200361), (7, 143115), (15, 66787), (21, 47705), (29, 34545), (35, 28623), (47, 21315), (49, 20445), (87, 11515), (105, 9541), (141, 7105), (145, 6909), (147, 6815), (203, 4935), (235, 4263), (245, 4089), (329, 3045), (435, 2303), (609, 1645), (705, 1421), (735, 1363), (987, 1015)]