81513075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1117}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 155267840

約数和(自身を除く): 73754765

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 139, 175, 417, 525, 695, 973, 1117, 2085, 2919, 3351, 3475, 4865, 5585, 7819, 10425, 14595, 16755, 23457, 24325, 27925, 39095, 72975, 83775, 117285, 155263, 195475, 465789, 586425, 776315, 1086841, 2328945, 3260523, 3881575, 5434205, 11644725, 16302615, 27171025, 81513075]

約数ペア:

[(1, 81513075), (3, 27171025), (5, 16302615), (7, 11644725), (15, 5434205), (21, 3881575), (25, 3260523), (35, 2328945), (75, 1086841), (105, 776315), (139, 586425), (175, 465789), (417, 195475), (525, 155263), (695, 117285), (973, 83775), (1117, 72975), (2085, 39095), (2919, 27925), (3351, 24325), (3475, 23457), (4865, 16755), (5585, 14595), (7819, 10425)]