71840895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{241}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 140507136

約数和(自身を除く): 68666241

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 167, 241, 255, 357, 501, 595, 723, 835, 1169, 1205, 1687, 1785, 2505, 2839, 3507, 3615, 4097, 5061, 5845, 8435, 8517, 12291, 14195, 17535, 19873, 20485, 25305, 28679, 40247, 42585, 59619, 61455, 86037, 99365, 120741, 143395, 201235, 281729, 298095, 430185, 603705, 684199, 845187, 1408645, 2052597, 3420995, 4225935, 4789393, 10262985, 14368179, 23946965, 71840895]

約数ペア:

[(1, 71840895), (3, 23946965), (5, 14368179), (7, 10262985), (15, 4789393), (17, 4225935), (21, 3420995), (35, 2052597), (51, 1408645), (85, 845187), (105, 684199), (119, 603705), (167, 430185), (241, 298095), (255, 281729), (357, 201235), (501, 143395), (595, 120741), (723, 99365), (835, 86037), (1169, 61455), (1205, 59619), (1687, 42585), (1785, 40247), (2505, 28679), (2839, 25305), (3507, 20485), (3615, 19873), (4097, 17535), (5061, 14195), (5845, 12291), (8435, 8517)]